THE NEW YORK PUBLIC LIBRARY ASTOR LENOX AND TILDEN FOUNDATIONS: Form 990, tax year 2023

View the entire original 990 at ProPublica ↗

Organization: THE NEW YORK PUBLIC LIBRARY ASTOR LENOX AND TILDEN FOUNDATIONS (EIN 13-1887440)
Tax period: 2023-07-01 to 2024-06-30
Filed: 2025-05-13
IRS object ID: 202521339349310157
Schema version: 2023v6.0
Source: Download XML · Original 990 at ProPublica

Every field in the e-filed return. Faint text is the IRS element name, for citing.

Return header
Form 990
Schedule A
Schedule B
Schedule C
Schedule D
Schedule F
Schedule G
Schedule I
Schedule J
Schedule M
Schedule O
Schedule R

Return header ReturnHeader

Field	Value	IRS element (for citing)
Return	2025-05-13T21:43:14+00:00	ReturnTs
Tax Period End	2024-06-30	TaxPeriodEndDt

Preparer Firm PreparerFirmGrp

Field	Value	IRS element (for citing)
Preparer Firm EIN	135565207	PreparerFirmEIN

Preparer Firm Name PreparerFirmName

Field	Value	IRS element (for citing)
Business Name Line1	KPMG LLP	BusinessNameLine1Txt

Preparer US Address PreparerUSAddress

Field	Value	IRS element (for citing)
Address Line1	345 Park Avenue	AddressLine1Txt
City	New York	CityNm
State Abbreviation	NY	StateAbbreviationCd
ZIP	101540102	ZIPCd

Field	Value	IRS element (for citing)
Return Type	990	ReturnTypeCd
Tax Period Begin	2023-07-01	TaxPeriodBeginDt

Filer Filer

Field	Value	IRS element (for citing)
EIN	131887440	EIN

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	THE NEW YORK PUBLIC LIBRARY ASTOR LENOX AND TILDEN FOUNDATIONS	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Business Name Control	NEWY	BusinessNameControlTxt
Phone	2126210241	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	270 MADISON AVENUE 11TH FLOOR	AddressLine1Txt
City	NEW YORK	CityNm
State Abbreviation	NY	StateAbbreviationCd
ZIP	10016	ZIPCd

Business Officer BusinessOfficerGrp

Field	Value	IRS element (for citing)
Person	ANTHONY W MARX	PersonNm
Person Title	President and CEO	PersonTitleTxt
Signature	2025-05-14	SignatureDt
Discuss With Paid Preparer	Yes (true)	DiscussWithPaidPreparerInd

Field	Value	IRS element (for citing)
IRS Responsible Prty Info Curr	Yes (true)	IRSResponsiblePrtyInfoCurrInd

Preparer Person PreparerPersonGrp

Field	Value	IRS element (for citing)
Preparer Person	Toby Kerslake	PreparerPersonNm
PTIN	P01875806	PTIN
Phone	2127589700	PhoneNum
Preparation	2025-05-14	PreparationDt

Field	Value	IRS element (for citing)
Tax	2023	TaxYr
Build TS	2025-03-06 01:10:19Z	BuildTS

Form 990 IRS990

Principal Ofcr Business Name PrincipalOfcrBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	ANTHONY W MARX	BusinessNameLine1Txt

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	270 MADISON AVENUE 11TH FLOOR	AddressLine1Txt
City	NEW YORK	CityNm
State Abbreviation	NY	StateAbbreviationCd
ZIP	10016	ZIPCd

Field	Value	IRS element (for citing)
Gross Receipts	$644,196,228	GrossReceiptsAmt
Group Return For Affiliates	false	GroupReturnForAffiliatesInd
Organization501c3	Yes (X)	Organization501c3Ind
Website Address	WWW.NYPL.ORG	WebsiteAddressTxt
Type Of Organization Corp	Yes (X)	TypeOfOrganizationCorpInd
Formation	1895	FormationYr
Legal Domicile State	NY	LegalDomicileStateCd
Activity Or Mission	TO INSPIRE LIFELONG LEARNING, ADVANCE KNOWLEDGE, & STRENGTHEN OUR COMMUNITIES.	ActivityOrMissionDesc
Voting Members Governing Body	34	VotingMembersGoverningBodyCnt
Voting Members Independent	33	VotingMembersIndependentCnt
Total Employee	4087	TotalEmployeeCnt
Total Volunteers	663	TotalVolunteersCnt
Total Gross UBI	$801,731	TotalGrossUBIAmt
Net Unrelated Bus Txbl Incm	$1,121,590	NetUnrelatedBusTxblIncmAmt
PY Contributions Grants	$307,632,756	PYContributionsGrantsAmt
CY Contributions Grants	$339,093,097	CYContributionsGrantsAmt
PY Program Service Revenue	$596,923	PYProgramServiceRevenueAmt
CY Program Service Revenue	$912,948	CYProgramServiceRevenueAmt
PY Investment Income	$78,422,399	PYInvestmentIncomeAmt
CY Investment Income	$48,465,550	CYInvestmentIncomeAmt
PY Other Revenue	$7,660,552	PYOtherRevenueAmt
CY Other Revenue	$8,636,533	CYOtherRevenueAmt
PY Total Revenue	$394,312,630	PYTotalRevenueAmt
CY Total Revenue	$397,108,128	CYTotalRevenueAmt
PY Grants And Similar Paid	$2,197,916	PYGrantsAndSimilarPaidAmt
CY Grants And Similar Paid	$2,273,102	CYGrantsAndSimilarPaidAmt
CY Benefits Paid To Members	$0	CYBenefitsPaidToMembersAmt
PY Salaries Comp Emp Bnft Paid	$234,818,835	PYSalariesCompEmpBnftPaidAmt
CY Salaries Comp Emp Bnft Paid	$240,573,184	CYSalariesCompEmpBnftPaidAmt
PY Total Prof Fndrsng Expns	$141,367	PYTotalProfFndrsngExpnsAmt
CY Total Prof Fndrsng Expns	$149,388	CYTotalProfFndrsngExpnsAmt
CY Total Fundraising Expense	$10,441,708	CYTotalFundraisingExpenseAmt
PY Other Expenses	$156,363,586	PYOtherExpensesAmt
CY Other Expenses	$146,663,582	CYOtherExpensesAmt
PY Total Expenses	$393,521,704	PYTotalExpensesAmt
CY Total Expenses	$389,659,256	CYTotalExpensesAmt
PY Revenues Less Expenses	$790,926	PYRevenuesLessExpensesAmt
CY Revenues Less Expenses	$7,448,872	CYRevenuesLessExpensesAmt
Total Assets BOY	$2,583,808,812	TotalAssetsBOYAmt
Total Assets EOY	$2,738,561,736	TotalAssetsEOYAmt
Total Liabilities BOY	$460,648,020	TotalLiabilitiesBOYAmt
Total Liabilities EOY	$441,120,896	TotalLiabilitiesEOYAmt
Net Assets Or Fund Balances BOY	$2,123,160,792	NetAssetsOrFundBalancesBOYAmt
Net Assets Or Fund Balances EOY	$2,297,440,840	NetAssetsOrFundBalancesEOYAmt
Mission	THE MISSION OF THE NEW YORK PUBLIC LIBRARY IS TO INSPIRE LIFELONG LEARNING, ADVANCE KNOWLEDGE, AND STRENGTHEN OUR COMMUNITIES.	MissionDesc
Significant New Program Srvc	false	SignificantNewProgramSrvcInd
Significant Change	false	SignificantChangeInd
Expense	$211,025,024	ExpenseAmt
Grant	$254,852	GrantAmt
Revenue	$721,033	RevenueAmt
Desc	THE BRANCH LIBRARIES - THE SERVICES OF THE 88 BRANCH LIBRARIES EXTEND FAR BEYOND LENDING BOOKS AND MATERIALS. OUR BRANCHES ARE SAFE AND WELCOMING SPACES WHERE PATRONS ATTEND PROGRAMS, ACCESS COMPUTERS AND THE INTERNET, AND ENGAGE WITH THEIR COMMUNITIES. NYPL PROVIDES FREE, HIGH-QUALITY EDUCATION SUPPORT TO PATRONS OF ALL AGES THROUGH A VARIETY OF PROGRAMS, FROM AFTER SCHOOL ENRICHMENT AND TEEN SERVICES TO ENGLISH LANGUAGE CLASSES AND JOB SUPPORT. NYPL'S CENTER FOR EDUCATORS & SCHOOLS HELPS EDUCATORS BRING THE LIBRARY'S COLLECTIONS AND EXPERTISE INTO THE CLASSROOM. VITAL COMMUNITY OUTREACH SERVICES ENGAGE NEW PATRONS, SUCH AS ASYLUM SEEKERS, AND CONNECT THEM TO CRITICAL LIBRARY RESOURCES. IN FISCAL YEAR 2024, THE BRANCH LIBRARIES WELCOMED 8 MILLION VISITS AND HAD 2.3 MILLION CARDHOLDERS WHO BORROWED 17 MILLION ITEMS AND RAISED 4.6 MILLION REFERENCE INQUIRIES. THE LIBRARY OFFERED 89,000 PROGRAMS FOR PATRONS OF ALL AGES - INCLUDING STORYTIMES FOR BABIES AND TODDLERS, CREATIVE CLASSES FOR SENIORS, AND MORE - WITH ATTENDANCE OF 1.2 MILLION. OUR CIRCULATING COLLECTIONS INCLUDE 8.5 MILLION ITEMS FROM BOOKS, E-BOOKS, AND E-AUDIOBOOKS TO DVDS, "STEAM" DISCOVERY KITS FOR STUDENTS, MATERIALS FOR THE BLIND, AND MORE.	Desc

Prog Srvc Accom Acty2 ProgSrvcAccomActy2Grp

Field	Value	IRS element (for citing)
Expense	$126,470,919	ExpenseAmt
Grant	$2,018,250	GrantAmt
Revenue	$2,185,629	RevenueAmt
Desc	THE FOUR RESEARCH CENTERS - THE STEPHEN A. SCHWARZMAN BUILDING; THE THOMAS YOSELOFF BUSINESS CENTER; THE SCHOMBURG CENTER FOR RESEARCH IN BLACK CULTURE; AND THE LIBRARY FOR PERFORMING ARTS - CONTINUE TO EXPAND ACCESS TO OUR COLLECTIONS, WELCOME NEW AUDIENCES, AND INSPIRE THE NEXT GENERATION OF RESEARCHERS. DURING FISCAL YEAR 2024, THE RESEARCH CENTERS WELCOMED APPROXIMATELY 3.9 MILLION ON-SITE PATRONS AND SPONSORED 3,000 PROGRAMS WITH ALMOST 151,000 ATTENDEES. LIBRARY STAFF RESPONDED TO 278,000 REFERENCE INQUIRIES. THE LIBRARY'S COLLECTION HOLDS 47.4 MILLION ITEMS, PRIMARILY BOOK AND BOOK-LIKE MATERIALS BUT ALSO PERSONAL PAPERS, ARCHIVES, PHOTOGRAPHS, AUDIO RECORDINGS, FILMS, MAPS, SHEET MUSIC, PRINTS AND CLIPPINGS. IN KEEPING WITH OUR MISSION TO PROVIDE FREE ACCESS TO INFORMATION FOR ALL, OUR WORLD-RENOWNED COLLECTIONS ARE OPEN TO ALL AND HELP SOLIDIFY THE LIBRARY AS A HOME FOR KNOWLEDGE AND SCHOLARSHIP. THE RESEARCH CENTERS HAVE AN EXTENSIVE CONSERVATION AND PRESERVATION PROGRAM TO ENSURE THE DISCOVERABILITY AND ACCESSIBILITY OF COLLECTION ITEMS AT EVERY STAGE OF THEIR LIFE CYCLE. TO MAKE SPECIAL COLLECTIONS ACCESSIBLE, STAFF PROCESSED AND DESCRIBED 1,300 LINEAR FEET OF COLLECTIONS AND INVENTORIED NEARLY 7,300 AUDIO/VISUAL ITEMS, RESULTING IN ABOUT 26,100 ARCHIVES SPACE COMPONENTS AND 2,900 CATALOG ITEM RECORDS. SPECIAL COLLECTIONS ARE ALSO CONTROLLED, PRESERVED AND TRANSPORTED FOR EXHIBITIONS, DIGITIZATION, CURATORIAL REQUESTS AND RESEARCH PURPOSES. THIS YEAR, THESE ACTIVITIES INCLUDED ASSESSING 28,000 ITEMS AND CONTAINERS, DIGITIZING ALMOST 10,000 MEDIA ITEMS (VIDEO, FILM, AND RECORDED SOUND), AND SECURELY TRANSPORTING ALMOST 8,300 COLLECTION OBJECTS.	Desc

Field	Value	IRS element (for citing)
Total Program Service Expenses	$337,495,943	TotalProgramServiceExpensesAmt
Described In Section501c3	Yes (true)	DescribedInSection501c3Ind
Schedule B Required	Yes (true)	ScheduleBRequiredInd
Political Campaign Acty	false	PoliticalCampaignActyInd
Lobbying Activities	Yes (true)	LobbyingActivitiesInd
Donor Advised Fund	false	DonorAdvisedFundInd
Conservation Easements	false	ConservationEasementsInd
Collections Of Art	Yes (true)	CollectionsOfArtInd
Credit Counseling	false	CreditCounselingInd
Donor Rstr Or Quasi Endowments	Yes (true)	DonorRstrOrQuasiEndowmentsInd
Report Land Building Equipment	Yes (true)	ReportLandBuildingEquipmentInd
Report Investments Other Sec	Yes (true)	ReportInvestmentsOtherSecInd
Report Program Related Invst	false	ReportProgramRelatedInvstInd
Report Other Assets	false	ReportOtherAssetsInd
Report Other Liabilities	Yes (true)	ReportOtherLiabilitiesInd
Include FIN48 Footnote	Yes (true)	IncludeFIN48FootnoteInd
Independent Audit Fincl Stmt	Yes (true)	IndependentAuditFinclStmtInd
Consolidated Audit Fincl Stmt	false	ConsolidatedAuditFinclStmtInd
School Operating	false	SchoolOperatingInd
Foreign Office	false	ForeignOfficeInd
Foreign Activities	Yes (true)	ForeignActivitiesInd
More Than5000 K To Org	false	MoreThan5000KToOrgInd
More Than5000 K To Individuals	false	MoreThan5000KToIndividualsInd
Professional Fundraising	Yes (true)	ProfessionalFundraisingInd
Fundraising Activities	Yes (true)	FundraisingActivitiesInd
Gaming Activities	false	GamingActivitiesInd
Operate Hospital	false	OperateHospitalInd
Grants To Organizations	Yes (true)	GrantsToOrganizationsInd
Grants To Individuals	Yes (true)	GrantsToIndividualsInd
Schedule J Required	Yes (true)	ScheduleJRequiredInd
Tax Exempt Bonds	false	TaxExemptBondsInd
Engaged In Excess Benefit Trans	false	EngagedInExcessBenefitTransInd
PY Excess Benefit Trans	false	PYExcessBenefitTransInd
Loan Outstanding	false	LoanOutstandingInd
Grant To Related Person	false	GrantToRelatedPersonInd
Business Rln With Org Mem	false	BusinessRlnWithOrgMemInd
Business Rln With Fam Mem	false	BusinessRlnWithFamMemInd
Business Rln With35 Ctrl Ent	false	BusinessRlnWith35CtrlEntInd
Deductible Non Cash Contri	Yes (true)	DeductibleNonCashContriInd
Deductible Art Contribution	Yes (true)	DeductibleArtContributionInd
Terminate Operations	false	TerminateOperationsInd
Partial Liquidation	false	PartialLiquidationInd
Disregarded Entity	false	DisregardedEntityInd
Related Entity	Yes (true)	RelatedEntityInd
Related Organization Ctrl Ent	Yes (true)	RelatedOrganizationCtrlEntInd
Transaction With Control Ent	Yes (true)	TransactionWithControlEntInd
Trnsfr Exmpt Non Chrtbl Rltd Org	false	TrnsfrExmptNonChrtblRltdOrgInd
Activities Conducted Prtshp	false	ActivitiesConductedPrtshpInd
Schedule O Required	Yes (true)	ScheduleORequiredInd
IRP Document	661	IRPDocumentCnt
IRP Document W2 G	0	IRPDocumentW2GCnt
Backup Wthld Compliance	Yes (true)	BackupWthldComplianceInd
Employee	4087	EmployeeCnt
Employment Tax Returns Filed	Yes (true)	EmploymentTaxReturnsFiledInd
Unrelated Bus Incm Over Limit	Yes (true)	UnrelatedBusIncmOverLimitInd
Form990 T Filed	Yes (true)	Form990TFiledInd
Foreign Financial Account	false	ForeignFinancialAccountInd
Prohibited Tax Shelter Trans	false	ProhibitedTaxShelterTransInd
Taxable Party Notification	false	TaxablePartyNotificationInd
Nondeductible Contributions	false	NondeductibleContributionsInd
Quid Pro Quo Contributions	Yes (true)	QuidProQuoContributionsInd
Quid Pro Quo Contri Discl	Yes (true)	QuidProQuoContriDisclInd
Form8282 Property Disposed Of	false	Form8282PropertyDisposedOfInd
Rcv Fnds To Pay Prsnl Bnft Cntrct	false	RcvFndsToPayPrsnlBnftCntrctInd
Pay Premiums Prsnl Bnft Cntrct	false	PayPremiumsPrsnlBnftCntrctInd
Indoor Tanning Services	false	IndoorTanningServicesInd
Subj To Tax Rmnrtn Ex Prcht Pymt	Yes (true)	SubjToTaxRmnrtnExPrchtPymtInd
Subject To Excs Tax Net Invst Inc	false	SubjectToExcsTaxNetInvstIncInd
Info In Schedule O Part VI	Yes (X)	InfoInScheduleOPartVIInd
Governing Body Voting Members	34	GoverningBodyVotingMembersCnt
Independent Voting Member	33	IndependentVotingMemberCnt
Family Or Business Rln	false	FamilyOrBusinessRlnInd
Delegation Of Mgmt Duties	false	DelegationOfMgmtDutiesInd
Change To Org Documents	false	ChangeToOrgDocumentsInd
Material Diversion Or Misuse	false	MaterialDiversionOrMisuseInd
Members Or Stockholders	false	MembersOrStockholdersInd
Election Of Board Members	false	ElectionOfBoardMembersInd
Decisions Subject To Approva	false	DecisionsSubjectToApprovaInd
Minutes Of Governing Body	Yes (true)	MinutesOfGoverningBodyInd
Minutes Of Committees	Yes (true)	MinutesOfCommitteesInd
Officer Mailing Address	false	OfficerMailingAddressInd
Local Chapters	false	LocalChaptersInd
Form990 Provided To Gvrn Body	Yes (true)	Form990ProvidedToGvrnBodyInd
Conflict Of Interest Policy	Yes (true)	ConflictOfInterestPolicyInd
Annual Disclosure Covered Prsn	Yes (true)	AnnualDisclosureCoveredPrsnInd
Regular Monitoring Enfrc	Yes (true)	RegularMonitoringEnfrcInd
Whistleblower Policy	Yes (true)	WhistleblowerPolicyInd
Document Retention Policy	Yes (true)	DocumentRetentionPolicyInd
Compensation Process CEO	Yes (true)	CompensationProcessCEOInd
Compensation Process Other	Yes (true)	CompensationProcessOtherInd
Investment In Joint Venture	false	InvestmentInJointVentureInd
States Where Copy Of Return Is Fld	CA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	CT	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	HI	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	IL	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	KS	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	KY	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	LA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	ME	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	AK	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MD	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MI	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MN	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	MS	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NV	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NH	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NJ	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	NC	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	ND	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	OH	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	OK	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	OR	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	PA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	SC	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	TN	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	VA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WA	StatesWhereCopyOfReturnIsFldCd
States Where Copy Of Return Is Fld	WV	StatesWhereCopyOfReturnIsFldCd
Own Website	Yes (X)	OwnWebsiteInd
Upon Request	Yes (X)	UponRequestInd

Books In Care Of Detail BooksInCareOfDetail

Business Name BusinessName

Field	Value	IRS element (for citing)
Business Name Line1	SHANNON SHARP	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Phone	2126210241	PhoneNum

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	270 MADISON AVENUE 11TH FLOOR	AddressLine1Txt
City	NEW YORK	CityNm
State Abbreviation	NY	StateAbbreviationCd
ZIP	10016	ZIPCd

Form990 Part VII Section A Form990PartVIISectionAGrp (61 entries)

TitleTitleTxt	Average Hours Per WeekAverageHoursPerWeekRt	Average Hours Per Week Rltd OrgAverageHoursPerWeekRltdOrgRt	Individual Trustee Or DirectorIndividualTrusteeOrDirectorInd	OfficerOfficerInd	Reportable Comp From OrgReportableCompFromOrgAmt	Reportable Comp From Rltd OrgReportableCompFromRltdOrgAmt	Other CompensationOtherCompensationAmt	Key EmployeeKeyEmployeeInd	Highest Compensated EmployeeHighestCompensatedEmployeeInd	Former Ofcr Director TrusteeFormerOfcrDirectorTrusteeInd
ABBY S MILSTEIN
CHAIRMAN & TRUSTEE	10.0	0.0	Yes (X)	Yes (X)	$0	$0	$0
ANTHONY W MARX
TRUSTEE, PRES AND CHIEF EXEC OFFICER	40.0	0.0	Yes (X)	Yes (X)	$1,063,064	$0	$134,902
RAYMOND J MCGUIRE
VICE CHAIRMAN & TRUSTEE	2.0	0.0	Yes (X)	Yes (X)	$0	$0	$0
ANDRES SANTO DOMINGO
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
ANDREW SOLOMON
TRUSTEE	4.0	0.0	Yes (X)		$0	$0	$0
ANNETTE GORDON-REED
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
ANTHONY A YOSELOFF
TRUSTEE	2.0	0.0	Yes (X)		$0	$0	$0
BETH KOJIMA
TRUSTEE	4.0	0.0	Yes (X)		$0	$0	$0
CAREY MALONEY
TRUSTEE (START 11/15/23)	1.0	0.0	Yes (X)		$0	$0	$0
CARL H PFORZHEIMER III
FOUNDATION TRUSTEE (START 11/15/23)	1.0	0.0	Yes (X)		$0	$0	$0
CARLOS RODRIGUEZ-PASTOR
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
CHRISTOPHER HUGHES
TRUSTEE (START 11/15/23)	2.0	0.0	Yes (X)		$0	$0	$0
DINAKAR SINGH
TRUSTEE	5.0	0.0	Yes (X)		$0	$0	$0
EVAN ROBERT CHESLER
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
HOWARD L MORGAN
FOUNDATION TRUSTEE	2.0	0.0	Yes (X)		$0	$0	$0
HUBERT JOLY
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
JAMES S TISCH
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
JANE LAUDER
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
JELANI COBB
TRUSTEE (START 03/06/24)	1.0	0.0	Yes (X)		$0	$0	$0
JOHN H BANKS III
TRUSTEE (END 11/15/23)	2.0	0.0	Yes (X)		$0	$0	$0
JOHN T CHAO
TRUSTEE (START 03/06/24)	1.0	0.0	Yes (X)		$0	$0	$0
KATHARINE J RAYNER
FOUNDATION TRUSTEE	2.0	0.0	Yes (X)		$0	$0	$0
KRISTIN FISHER
TRUSTEE (START 03/06/24)	1.0	0.0	Yes (X)		$0	$0	$0
KWAME ANTHONY APPIAH
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
LISA J BLAU
TRUSTEE (END 11/30/23)	1.0	0.0	Yes (X)		$0	$0	$0
LISETTE NIEVES
EX OFFICIO TTEE, REP OF COMPT	4.0	0.0	Yes (X)		$0	$0	$0
LUIS A UBINAS
TRUSTEE	3.0	0.0	Yes (X)		$0	$0	$0
MAHNAZ ISPAHANI BARTOS
TRUSTEE	5.0	0.0	Yes (X)		$0	$0	$0
MARIA TORRES-SPRINGER
EX OFFICIO TTEE, REP OF MAYOR	1.0	0.0	Yes (X)		$0	$0	$0
MICHAEL BYUNGJU KIM
TRUSTEE	2.0	0.0	Yes (X)		$0	$0	$0
PAUL M ROMER
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
PETER BALDWIN
TRUSTEE	2.0	0.0	Yes (X)		$0	$0	$0
SUSAN MORGENTHAU
TRUSTEE	2.0	0.0	Yes (X)		$0	$0	$0
TALI FARHADIAN WEINSTEIN
TRUSTEE	2.0	0.0	Yes (X)		$0	$0	$0
THEODORE GOLF
EX OFFICIO TTEE, REP OF SPKR	1.0	0.0	Yes (X)		$0	$0	$0
WILLIAM GRAY
TRUSTEE	1.0	0.0	Yes (X)		$0	$0	$0
BRENT REIDY
ANDREW W. MELLON, DIRECTOR	35.0	0.0		Yes (X)	$445,217	$0	$28,022
BRIAN BANNON
MERRYL AND JAMES TISCH, DIRECTOR	35.0	0.0		Yes (X)	$451,282	$0	$46,099
Bridget Smith
General Counsel and Secretary (Start 1/22/24)	35.0	0.0		Yes (X)	$0	$0	$0
CARYL MATUTE
VP, BRANCH LIBRARIES & PATRON SVCS	35.0	0.0		Yes (X)	$270,256	$0	$152,729
DAVID LEM
VP, CAPITAL PLANNING & CONSTRUCTION	35.0	0.0		Yes (X)	$276,196	$0	$70,916
FAY ROSENFELD
VP, PUBLIC PROGRAMS	35.0	0.0		Yes (X)	$251,521	$0	$23,945
GARFIELD L SWABY
VP, INFORMATION TECHNOLOGY	35.0	0.0		Yes (X)	$271,392	$0	$136,752
GEETANJALI GUPTA
CHIEF INVESTMENT OFFICER	35.0	0.0		Yes (X)	$1,360,969	$0	$75,203
GEORGE MIHALTSES
VP, GOV'T & COMMUNITY AFFRS	35.0	0.0		Yes (X)	$244,796	$0	$161,717
GESILLE DIXON
VP, BRANCH PROGRAMS AND SERVICES	35.0	0.0		Yes (X)	$241,029	$0	$320,154
IRIS WEINSHALL
COO AND TREASURER	35.0	0.0		Yes (X)	$521,739	$0	$42,875
JADRIEN F STEELE
VP, DEVELOPMENT	35.0	0.0		Yes (X)	$356,018	$0	$205,512
JENNIFER FERMINO
VP, COMMUNICATION AND MARKETING	35.0	0.0		Yes (X)	$298,351	$0	$48,480
MICHELE COLEMAN MAYES
VP, GENERAL COUNSEL AND SEC (END 3/1/24)	35.0	0.0		Yes (X)	$485,801	$0	$61,204
SAM RUBIN
CHIEF STRAT PLN OFFICER & CHIEF OF STAFF	35.0	0.0		Yes (X)	$282,323	$0	$80,521
SHANNON SHARP
CFO & ASST TREASURER	35.0	0.0		Yes (X)	$381,774	$0	$72,618
STEPHEN BETTS
INTERIM, CHIEF DIGITAL OFFICER	35.0	0.0		Yes (X)	$247,087	$0	$54,246
TERRANCE NEAL
VP, HUMAN RESOURCES	35.0	0.0		Yes (X)	$363,657	$0	$221,882
GARRETT CHARLES BERGEN
SNR. DIRECTOR, FACILITIES MGMT	35.0	0.0			$223,671	$0	$63,378	Yes (X)
DORIS ZHAO
DIRECTOR, INVESTMENTS	35.0	0.0			$391,273	$0	$34,815		Yes (X)
JOY BIVINS
DIRECTOR, THE SCHOMBERG CENTER	35.0	0.0			$283,207	$0	$39,770		Yes (X)
MARJOEL MONTALBO
SNR DIRECTOR, BUDGET	35.0	0.0			$255,722	$0	$160,240		Yes (X)
PETER RUMMEL
DIRECTOR, INVESTMENTS	35.0	0.0			$462,708	$0	$21,670		Yes (X)
VANESSA NOVAK SPRAY
SNR. DIR, EARNED REVENUE & VISITOR EXPER	35.0	0.0			$249,073	$0	$134,722		Yes (X)
ANTHONY AGEH
Former CHIEF DIGITAL OFFICER (END 5/1/23)	0.0	0.0			$744,497	$0	$31,392			Yes (X)

Field	Value	IRS element (for citing)
Total Reportable Comp From Org	$10,422,623	TotalReportableCompFromOrgAmt
Tot Reportable Comp Rltd Org	$0	TotReportableCompRltdOrgAmt
Total Other Compensation	$2,423,764	TotalOtherCompensationAmt
Indiv Rcvd Greater Than100 K	308	IndivRcvdGreaterThan100KCnt
Former Ofcr Employees Listed	Yes (true)	FormerOfcrEmployeesListedInd
Total Comp Greater Than150 K	Yes (true)	TotalCompGreaterThan150KInd
Compensation From Other Srcs	false	CompensationFromOtherSrcsInd

Contractor Compensation ContractorCompensationGrp (5 entries)

Address Line1ContractorAddress/USAddress/AddressLine1Txt	CityContractorAddress/USAddress/CityNm	State AbbreviationContractorAddress/USAddress/StateAbbreviationCd	ZIPContractorAddress/USAddress/ZIPCd	ServicesServicesDesc	CompensationCompensationAmt
TURNER CONSTRUCTION COMPANY
375 HUDSON STREET	NEW YORK	NY	10014	CONSTRUCTION	$23,193,773
SECURITAS SECURITY SERVICES USA INC
1412 BROADWAY 17TH FL	NEW YORK	NY	10018	SECURITY	$9,550,035
THE RES COLLECTIONS & PRESERV CONSORTIUM
701 CARNEGIE CENTER	PRINCETON	NJ	08540	PRESERVATION & CONSTRUCTION	$5,666,018
MAMAIS CONTRACTING CORP
256 WEST 124TH STREET	NEW YORK	NY	10027	CONSTRUCTION	$3,665,120
SUMMIT STAFFING PARTNERS LLC
601 ROUTE 206 SUITE 447D	PRINCETON	NJ	08540	TEMPORARY STAFFING	$2,487,176

Field	Value	IRS element (for citing)
Cntrct Rcvd Greater Than100 K	89	CntrctRcvdGreaterThan100KCnt
Fundraising	$3,935,190	FundraisingAmt
Government Grants	$258,075,283	GovernmentGrantsAmt
All Other Contributions	$77,082,624	AllOtherContributionsAmt
Noncash Contributions	$15,552,323	NoncashContributionsAmt
Total Contributions	$339,093,097	TotalContributionsAmt

Program Service Revenue ProgramServiceRevenueGrp (5 entries)

DescDesc	BusinessBusinessCd	Total Revenue ColumnTotalRevenueColumnAmt	Related Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
PHOTOCOPY, MICROFILM	519200	$449,186	$449,186
FEES	900099	$113,959	$113,959
PUBLICATIONS	519200	$294,720	$294,720
TICKET SALES	900099	$54,698	$54,698
INFORMATION SERVICES	519200	$385	$385

Total Oth Program Service Rev TotalOthProgramServiceRevGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt
Related Or Exempt Func Income	$0	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$0	UnrelatedBusinessRevenueAmt
Exclusion	$0	ExclusionAmt

Field	Value	IRS element (for citing)
Total Program Service Revenue	$912,948	TotalProgramServiceRevenueAmt

Investment Income InvestmentIncomeGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$15,183,471	TotalRevenueColumnAmt
Unrelated Business Revenue	-$507,370	UnrelatedBusinessRevenueAmt
Exclusion	$15,690,841	ExclusionAmt

Royalties Revenue RoyaltiesRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$171,067	TotalRevenueColumnAmt
Exclusion	$171,067	ExclusionAmt

Rental Income Or Loss RentalIncomeOrLossGrp

Field	Value	IRS element (for citing)
Real	$0	RealAmt
Personal	$0	PersonalAmt

Gross Amount Sales Assets GrossAmountSalesAssetsGrp

Field	Value	IRS element (for citing)
Securities	$173,478,181	SecuritiesAmt
Other	$100,936,826	OtherAmt

Less Cost Oth Basis Sales Expnss LessCostOthBasisSalesExpnssGrp

Field	Value	IRS element (for citing)
Securities	$152,794,912	SecuritiesAmt
Other	$88,338,016	OtherAmt

Gain Or Loss GainOrLossGrp

Field	Value	IRS element (for citing)
Securities	$20,683,269	SecuritiesAmt
Other	$12,598,810	OtherAmt

Net Gain Or Loss Investments NetGainOrLossInvestmentsGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$33,282,079	TotalRevenueColumnAmt
Unrelated Business Revenue	$44,746	UnrelatedBusinessRevenueAmt
Exclusion	$33,237,333	ExclusionAmt

Field	Value	IRS element (for citing)
Fundraising Gross Income	$109,610	FundraisingGrossIncomeAmt
Contri Rpt Fundraising Event	$3,935,190	ContriRptFundraisingEventAmt
Fundraising Direct Expenses	$265,085	FundraisingDirectExpensesAmt

Net Incm From Fundraising Evt NetIncmFromFundraisingEvtGrp

Field	Value	IRS element (for citing)
Total Revenue Column	-$155,475	TotalRevenueColumnAmt
Exclusion	-$155,475	ExclusionAmt

Field	Value	IRS element (for citing)
Gross Sales Of Inventory	$7,729,539	GrossSalesOfInventoryAmt
Cost Of Goods Sold	$5,690,087	CostOfGoodsSoldAmt

Net Income Or Loss NetIncomeOrLossGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$2,039,452	TotalRevenueColumnAmt
Related Or Exempt Func Income	$1,181,889	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$857,563	UnrelatedBusinessRevenueAmt

Other Revenue Misc OtherRevenueMiscGrp (3 entries)

DescDesc	BusinessBusinessCd	Total Revenue ColumnTotalRevenueColumnAmt	Unrelated Business RevenueUnrelatedBusinessRevenueAmt	ExclusionExclusionAmt	Related Or Exempt Func IncomeRelatedOrExemptFuncIncomeAmt
FEE - USE OF SPACE	532000	$4,175,604	$406,792	$3,768,812
Universal Services Reimbursement	900099	$1,594,060		$1,594,060
Other Revenue	900099	$811,825			$811,825

Miscellaneous Revenue MiscellaneousRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$0	TotalRevenueColumnAmt
Related Or Exempt Func Income	$0	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$0	UnrelatedBusinessRevenueAmt
Exclusion	$0	ExclusionAmt

Field	Value	IRS element (for citing)
Other Revenue Total	$6,581,489	OtherRevenueTotalAmt

Total Revenue TotalRevenueGrp

Field	Value	IRS element (for citing)
Total Revenue Column	$397,108,128	TotalRevenueColumnAmt
Related Or Exempt Func Income	$2,906,662	RelatedOrExemptFuncIncomeAmt
Unrelated Business Revenue	$801,731	UnrelatedBusinessRevenueAmt
Exclusion	$54,306,638	ExclusionAmt

Grants To Domestic Orgs GrantsToDomesticOrgsGrp

Field	Value	IRS element (for citing)
Total	$55,216	TotalAmt
Program Services	$55,216	ProgramServicesAmt

Grants To Domestic Individuals GrantsToDomesticIndividualsGrp

Field	Value	IRS element (for citing)
Total	$2,217,886	TotalAmt
Program Services	$2,217,886	ProgramServicesAmt

Comp Current Ofcr Directors CompCurrentOfcrDirectorsGrp

Field	Value	IRS element (for citing)
Total	$10,118,478	TotalAmt
Program Services	$3,967,994	ProgramServicesAmt
Management And General	$5,374,805	ManagementAndGeneralAmt
Fundraising	$775,679	FundraisingAmt

Other Salaries And Wages OtherSalariesAndWagesGrp

Field	Value	IRS element (for citing)
Total	$162,652,724	TotalAmt
Program Services	$145,735,939	ProgramServicesAmt
Management And General	$13,269,564	ManagementAndGeneralAmt
Fundraising	$3,647,221	FundraisingAmt

Pension Plan Contributions PensionPlanContributionsGrp

Field	Value	IRS element (for citing)
Total	$17,626,846	TotalAmt
Program Services	$15,618,761	ProgramServicesAmt
Management And General	$1,598,635	ManagementAndGeneralAmt
Fundraising	$409,450	FundraisingAmt

Other Employee Benefits OtherEmployeeBenefitsGrp

Field	Value	IRS element (for citing)
Total	$37,541,911	TotalAmt
Program Services	$32,648,817	ProgramServicesAmt
Management And General	$3,908,509	ManagementAndGeneralAmt
Fundraising	$984,585	FundraisingAmt

Payroll Taxes PayrollTaxesGrp

Field	Value	IRS element (for citing)
Total	$12,633,225	TotalAmt
Program Services	$10,974,161	ProgramServicesAmt
Management And General	$1,333,879	ManagementAndGeneralAmt
Fundraising	$325,185	FundraisingAmt

Fees For Services Legal FeesForServicesLegalGrp

Field	Value	IRS element (for citing)
Total	$567,488	TotalAmt
Management And General	$567,488	ManagementAndGeneralAmt

Fees For Services Accounting FeesForServicesAccountingGrp

Field	Value	IRS element (for citing)
Total	$549,672	TotalAmt
Management And General	$549,672	ManagementAndGeneralAmt

Fees For Services Lobbying FeesForServicesLobbyingGrp

Field	Value	IRS element (for citing)
Total	$174,776	TotalAmt
Management And General	$174,776	ManagementAndGeneralAmt

Fees For Services Prof Fundraising FeesForServicesProfFundraising

Field	Value	IRS element (for citing)
Total	$149,388	TotalAmt
Fundraising	$149,388	FundraisingAmt

Fees For Srvc Invst Mgmnt Fees FeesForSrvcInvstMgmntFeesGrp

Field	Value	IRS element (for citing)
Total	$6,452,671	TotalAmt
Management And General	$6,452,671	ManagementAndGeneralAmt

Fees For Services Other FeesForServicesOtherGrp

Field	Value	IRS element (for citing)
Total	$12,145,544	TotalAmt
Program Services	$10,272,323	ProgramServicesAmt
Management And General	$1,071,328	ManagementAndGeneralAmt
Fundraising	$801,893	FundraisingAmt

Advertising AdvertisingGrp

Field	Value	IRS element (for citing)
Total	$3,402,329	TotalAmt
Program Services	$625,649	ProgramServicesAmt
Management And General	$585,490	ManagementAndGeneralAmt
Fundraising	$2,191,190	FundraisingAmt

Office Expenses OfficeExpensesGrp

Field	Value	IRS element (for citing)
Total	$8,088,697	TotalAmt
Program Services	$7,872,488	ProgramServicesAmt
Management And General	$158,897	ManagementAndGeneralAmt
Fundraising	$57,312	FundraisingAmt

Information Technology InformationTechnologyGrp

Field	Value	IRS element (for citing)
Total	$8,746,187	TotalAmt
Program Services	$6,381,855	ProgramServicesAmt
Management And General	$2,191,914	ManagementAndGeneralAmt
Fundraising	$172,418	FundraisingAmt

Occupancy OccupancyGrp

Field	Value	IRS element (for citing)
Total	$28,341,819	TotalAmt
Program Services	$26,262,045	ProgramServicesAmt
Management And General	$1,621,962	ManagementAndGeneralAmt
Fundraising	$457,812	FundraisingAmt

Travel TravelGrp

Field	Value	IRS element (for citing)
Total	$400,990	TotalAmt
Program Services	$354,432	ProgramServicesAmt
Management And General	$36,237	ManagementAndGeneralAmt
Fundraising	$10,321	FundraisingAmt

Conferences Meetings ConferencesMeetingsGrp

Field	Value	IRS element (for citing)
Total	$228,214	TotalAmt
Program Services	$207,997	ProgramServicesAmt
Management And General	$18,157	ManagementAndGeneralAmt
Fundraising	$2,060	FundraisingAmt

Interest InterestGrp

Field	Value	IRS element (for citing)
Total	$9,086,363	TotalAmt
Program Services	$7,726,896	ProgramServicesAmt
Management And General	$1,088,305	ManagementAndGeneralAmt
Fundraising	$271,162	FundraisingAmt

Depreciation Depletion DepreciationDepletionGrp

Field	Value	IRS element (for citing)
Total	$30,200,859	TotalAmt
Program Services	$29,603,407	ProgramServicesAmt
Management And General	$470,757	ManagementAndGeneralAmt
Fundraising	$126,695	FundraisingAmt

Insurance InsuranceGrp

Field	Value	IRS element (for citing)
Total	$3,811,602	TotalAmt
Program Services	$3,525,521	ProgramServicesAmt
Management And General	$255,432	ManagementAndGeneralAmt
Fundraising	$30,649	FundraisingAmt

Other Expenses OtherExpensesGrp (4 entries)

DescDesc	TotalTotalAmt	Program ServicesProgramServicesAmt	Management And GeneralManagementAndGeneralAmt	FundraisingFundraisingAmt
BOOKS AND BINDING	$27,369,737	$27,369,737
BUILDING REPAIRS& RENOVATIONS	$3,019,455	$3,017,657	$1,798
MEMBERSHIP DUES	$307,511	$291,184	$15,867	$460
AUTO RELATED EXPENDITURES	$292,719	$292,691	$28

All Other Expenses AllOtherExpensesGrp

Field	Value	IRS element (for citing)
Total	$3,476,949	TotalAmt
Program Services	$2,473,287	ProgramServicesAmt
Management And General	$975,434	ManagementAndGeneralAmt
Fundraising	$28,228	FundraisingAmt

Total Functional Expenses TotalFunctionalExpensesGrp

Field	Value	IRS element (for citing)
Total	$389,659,256	TotalAmt
Program Services	$337,495,943	ProgramServicesAmt
Management And General	$41,721,605	ManagementAndGeneralAmt
Fundraising	$10,441,708	FundraisingAmt

Cash Non Interest Bearing CashNonInterestBearingGrp

Field	Value	IRS element (for citing)
BOY	$314,568	BOYAmt
EOY	$227,812	EOYAmt

Savings And Temp Cash Invst SavingsAndTempCashInvstGrp

Field	Value	IRS element (for citing)
BOY	$168,980,355	BOYAmt
EOY	$171,809,958	EOYAmt

Pledges And Grants Receivable PledgesAndGrantsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$69,778,290	BOYAmt
EOY	$69,726,732	EOYAmt

Accounts Receivable AccountsReceivableGrp

Field	Value	IRS element (for citing)
BOY	$913,295	BOYAmt
EOY	$958,088	EOYAmt

Receivables From Officers Etc ReceivablesFromOfficersEtcGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Rcvbl From Disqualified Prsn RcvblFromDisqualifiedPrsnGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Oth Notes Loans Receivable Net OthNotesLoansReceivableNetGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Inventories For Sale Or Use InventoriesForSaleOrUseGrp

Field	Value	IRS element (for citing)
BOY	$797,068	BOYAmt
EOY	$779,998	EOYAmt

Prepaid Expenses Defrd Charges PrepaidExpensesDefrdChargesGrp

Field	Value	IRS element (for citing)
BOY	$9,700,233	BOYAmt
EOY	$11,304,088	EOYAmt

Field	Value	IRS element (for citing)
Land Bldg Equip Cost Or Other Bss	$1,045,916,688	LandBldgEquipCostOrOtherBssAmt
Land Bldg Equip Accum Deprec	$343,590,542	LandBldgEquipAccumDeprecAmt

Land Bldg Equip Basis Net LandBldgEquipBasisNetGrp

Field	Value	IRS element (for citing)
BOY	$680,988,260	BOYAmt
EOY	$702,326,146	EOYAmt

Investments Pub Traded Sec InvestmentsPubTradedSecGrp

Field	Value	IRS element (for citing)
BOY	$225,780,636	BOYAmt
EOY	$179,665,260	EOYAmt

Investments Other Securities InvestmentsOtherSecuritiesGrp

Field	Value	IRS element (for citing)
BOY	$1,314,438,751	BOYAmt
EOY	$1,508,969,112	EOYAmt

Investments Program Related InvestmentsProgramRelatedGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt

Intangible Assets IntangibleAssetsGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Other Assets Total OtherAssetsTotalGrp

Field	Value	IRS element (for citing)
BOY	$112,117,356	BOYAmt
EOY	$92,794,542	EOYAmt

Total Assets TotalAssetsGrp

Field	Value	IRS element (for citing)
BOY	$2,583,808,812	BOYAmt
EOY	$2,738,561,736	EOYAmt

Accounts Payable Accr Expnss AccountsPayableAccrExpnssGrp

Field	Value	IRS element (for citing)
BOY	$64,663,238	BOYAmt
EOY	$65,486,630	EOYAmt

Grants Payable GrantsPayableGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Deferred Revenue DeferredRevenueGrp

Field	Value	IRS element (for citing)
BOY	$9,348,812	BOYAmt
EOY	$5,265,530	EOYAmt

Tax Exempt Bond Liabilities TaxExemptBondLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Escrow Account Liability EscrowAccountLiabilityGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Loans From Officers Directors LoansFromOfficersDirectorsGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Mortg Notes Pybl Scrd Invst Prop MortgNotesPyblScrdInvstPropGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Unsecured Notes Loans Payable UnsecuredNotesLoansPayableGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Other Liabilities OtherLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$386,635,970	BOYAmt
EOY	$370,368,736	EOYAmt

Total Liabilities TotalLiabilitiesGrp

Field	Value	IRS element (for citing)
BOY	$460,648,020	BOYAmt
EOY	$441,120,896	EOYAmt

Field	Value	IRS element (for citing)
Organization Follows FASB117	Yes (X)	OrganizationFollowsFASB117Ind

No Donor Restriction Net Assets NoDonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$1,053,435,211	BOYAmt
EOY	$1,132,453,499	EOYAmt

Donor Restriction Net Assets DonorRestrictionNetAssetsGrp

Field	Value	IRS element (for citing)
BOY	$1,069,725,581	BOYAmt
EOY	$1,164,987,341	EOYAmt

Cap Stk Tr Prin Current Funds CapStkTrPrinCurrentFundsGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Pd In Cap Srpls Land Bldg Eqp Fund PdInCapSrplsLandBldgEqpFundGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Rtn Earn Endowment Incm Oth Fnds RtnEarnEndowmentIncmOthFndsGrp

Field	Value	IRS element (for citing)
BOY	$0	BOYAmt
EOY	$0	EOYAmt

Total Net Assets Fund Balance TotalNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$2,123,160,792	BOYAmt
EOY	$2,297,440,840	EOYAmt

Tot Liab Net Assets Fund Balance TotLiabNetAssetsFundBalanceGrp

Field	Value	IRS element (for citing)
BOY	$2,583,808,812	BOYAmt
EOY	$2,738,561,736	EOYAmt

Field	Value	IRS element (for citing)
Info In Schedule O Part XI	Yes (X)	InfoInScheduleOPartXIInd
Reconcilation Revenue Expnss	$7,448,872	ReconcilationRevenueExpnssAmt
Net Unrlzd Gains Losses Invst	$168,694,198	NetUnrlzdGainsLossesInvstAmt
Other Changes In Net Assets	-$1,863,022	OtherChangesInNetAssetsAmt
Method Of Accounting Accrual	Yes (X)	MethodOfAccountingAccrualInd
Accountant Compile Or Review	false	AccountantCompileOrReviewInd
FS Audited	Yes (true)	FSAuditedInd

FS Audited Basis FSAuditedBasisGrp

Field	Value	IRS element (for citing)
Separate Basis Fincl Stmt	Yes (X)	SeparateBasisFinclStmtInd

Field	Value	IRS element (for citing)
Audit Committee	Yes (true)	AuditCommitteeInd
Federal Grant Audit Required	Yes (true)	FederalGrantAuditRequiredInd
Federal Grant Audit Performed	Yes (true)	FederalGrantAuditPerformedInd

Schedule A IRS990ScheduleA

Field	Value	IRS element (for citing)
Public Organization170	Yes (X)	PublicOrganization170Ind

Gifts Grants Contri Rcvd170 GiftsGrantsContriRcvd170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$59,697,922	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$135,396,089	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$66,409,878	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$65,902,122	CurrentTaxYearMinus1YearAmt
Current Tax Year	$81,017,814	CurrentTaxYearAmt
Total	$408,423,825	TotalAmt

Tax Rev Levied Orgnztnl Bnft170 TaxRevLeviedOrgnztnlBnft170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$279,668,953	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$239,752,417	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$258,633,509	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$241,730,634	CurrentTaxYearMinus1YearAmt
Current Tax Year	$258,075,283	CurrentTaxYearAmt
Total	$1,277,860,796	TotalAmt

Govt Furn Srvc Fclts Vl170 GovtFurnSrvcFcltsVl170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$6,884,715	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$6,359,534	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$7,589,049	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$8,806,806	CurrentTaxYearMinus1YearAmt
Current Tax Year	$7,952,889	CurrentTaxYearAmt
Total	$37,592,993	TotalAmt

Total Calendar Year170 TotalCalendarYear170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$346,251,590	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$381,508,040	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$332,632,436	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$316,439,562	CurrentTaxYearMinus1YearAmt
Current Tax Year	$347,045,986	CurrentTaxYearAmt
Total	$1,723,877,614	TotalAmt

Field	Value	IRS element (for citing)
Substantial Contributors Tot	$0	SubstantialContributorsTotAmt
Public Support Total170	$1,723,877,614	PublicSupportTotal170Amt

Gross Investment Income170 GrossInvestmentIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$6,946,560	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$1,773,621	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$2,677,268	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$11,078,626	CurrentTaxYearMinus1YearAmt
Current Tax Year	$15,354,538	CurrentTaxYearAmt
Total	$37,830,613	TotalAmt

Unrelated Business Net Incm170 UnrelatedBusinessNetIncm170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$335,653	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$0	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$460,726	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$673,822	CurrentTaxYearMinus1YearAmt
Current Tax Year	$1,121,590	CurrentTaxYearAmt
Total	$2,591,791	TotalAmt

Other Income170 OtherIncome170Grp

Field	Value	IRS element (for citing)
Current Tax Year Minus4 Years	$3,519,246	CurrentTaxYearMinus4YearsAmt
Current Tax Year Minus3 Years	$2,048,075	CurrentTaxYearMinus3YearsAmt
Current Tax Year Minus2 Years	$4,286,880	CurrentTaxYearMinus2YearsAmt
Current Tax Year Minus1 Year	$5,102,234	CurrentTaxYearMinus1YearAmt
Current Tax Year	$5,472,482	CurrentTaxYearAmt
Total	$20,428,917	TotalAmt

Field	Value	IRS element (for citing)
Total Support	$1,784,728,935	TotalSupportAmt
Gross Receipts Rltd Activities	$28,262,478	GrossReceiptsRltdActivitiesAmt
Public Support CY170	0.9659	PublicSupportCY170Pct
Public Support PY170	0.9692	PublicSupportPY170Pct
Thirty Thr Pct Suprt Tests CY170	Yes (X)	ThirtyThrPctSuprtTestsCY170Ind

Form990 Schedule A Part VI Form990ScheduleAPartVIGrp (2 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule A, Part II, Line 10 OTHER INCOME	REPORTED IN THIS SECTION IS OTHER INCOME RELATING TO REVENUE GENERATED BY ACTIVITIES SUCH AS EXCLUDED FEES FOR FACILITY USAGE AND REIMBURSEMENT UNDER THE UNIVERSAL SERVICES PROGRAM TO PROVIDE DISCOUNTS ON TELECOMMUNICATION EXPENSES TO ALLOW LIBRARIES AND EDUCATIONAL INSTITUTIONS TO PURCHASE ADVANCED TECHNOLOGIES.
Schedule A, Part II, Line 10 Other Income	DESCRIPTION - SEE SCH A, PART VI, NARRATIVE, COLUMN A - 3345670.0, COLUMN B - 1948155.0, COLUMN C - 4169870.0, COLUMN D - 4997334.0, COLUMN E - 5362872.0, COLUMN F - 19823901.0; DESCRIPTION - GROSS INCOME FROM FUNDRAISING EVENTS, COLUMN A - 173576.0, COLUMN B - 99920.0, COLUMN C - 117010.0, COLUMN D - 104900.0, COLUMN E - 109610.0, COLUMN F - 605016.0;

Schedule B IRS990ScheduleB

Contributor Information ContributorInformationGrp

Field	Value	IRS element (for citing)
Contributor	RESTRICTED	ContributorNum

Contributor Business Name ContributorBusinessName

Field	Value	IRS element (for citing)
Business Name Line1	RESTRICTED	BusinessNameLine1

Contributor US Address ContributorUSAddress

Field	Value	IRS element (for citing)
Address Line1	RESTRICTED	AddressLine1
Address Line2	RESTRICTED	AddressLine2
City	RESTRICTED	City
State	RESTRICTED	State
ZIP Code	RESTRICTED	ZIPCode

Field	Value	IRS element (for citing)
Total Contributions	RESTRICTED	TotalContributionsAmt

Schedule C IRS990ScheduleC

Field	Value	IRS element (for citing)
Volunteers	Yes (true)	VolunteersInd
Paid Staff Or Management	Yes (true)	PaidStaffOrManagementInd
Media Advertisements	false	MediaAdvertisementsInd
Mailings Members	Yes (true)	MailingsMembersInd
Mailings Members	$45,679	MailingsMembersAmt
Publications Or Broadcast	false	PublicationsOrBroadcastInd
Grants Other Organizations	false	GrantsOtherOrganizationsInd
Direct Contact Legislators	Yes (true)	DirectContactLegislatorsInd
Direct Contact Legislators	$137,038	DirectContactLegislatorsAmt
Rallies Demonstrations	false	RalliesDemonstrationsInd
Other Activities	false	OtherActivitiesInd
Total Lobbying Expenditures	$182,717	TotalLobbyingExpendituresAmt
Not Described Section501c3	false	NotDescribedSection501c3Ind

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	Schedule C, Part II-B, Line 1 LOBBYING ACTIVITIES	FormAndLineReferenceDesc
Explanation	VOLUNTEERS: THE LIBRARY WORKS DIRECTLY WITH VOLUNTEERS WHO ENCOURAGE THEIR ELECTED OFFICIALS TO SUPPORT THE LIBRARY'S BUDGET AND LEGISLATIVE GOALS. PAID STAFF OR MANAGEMENT: THE LIBRARY UTILIZES, ON A LIMITED BASIS, THREE OFFICERS TO LOBBY ELECTED OFFICIALS AT THE STATE AND CITY LEVELS ON LIBRARY-RELATED FUNDING AND LEGISLATIVE AND ADMINISTRATIVE ACTIONS. IN ADDITION, THE LIBRARY'S ASSOCIATE GENERAL COUNSEL AND DIRECTOR, INFORMATION POLICY, LOBBIED AT THE FEDERAL LEVEL IN REGARD TO PROPOSED LEGISLATION AND REGULATIONS IN FISCAL YEAR 2024. MAILING TO MEMBERS, LEGISLATORS OR THE PUBLIC: THE LIBRARY PREPARES MAILINGS TO ELECTED OFFICIALS AT ALL THREE LEVELS OF GOVERNMENT REGARDING FUNDING AND LEGISLATIVE ISSUES. DIRECT CONTACT WITH LEGISLATORS, THEIR STAFF, GOVERNMENT OFFICIALS, OR A LEGISLATIVE BODY: THE LIBRARY'S IN-HOUSE GOVERNMENT AND COMMUNITY AFFAIRS STAFF, WITH THE ASSISTANCE OF LOBBYISTS, MEET ELECTED AND APPOINTED GOVERNMENT OFFICIALS AND THEIR STAFF REGARDING LIBRARY-RELATED FUNDING AND LEGISLATIVE AND ADMINISTRATIVE ACTIONS. IN ADDITION, THE LIBRARY'S ASSOCIATE GENERAL COUNSEL AND DIRECTOR, INFORMATION POLICY, HAD DIRECT CONTACT WITH GOVERNMENT OFFICIALS AND THEIR STAFF IN FISCAL YEAR 2024.	ExplanationTxt

Schedule D IRS990ScheduleD

Field	Value	IRS element (for citing)
Collection Used Pub Exhibition	Yes (X)	CollectionUsedPubExhibitionInd
Coll Used Scholarly Rsrch	Yes (X)	CollUsedScholarlyRsrchInd
Collection Used Preservation	Yes (X)	CollectionUsedPreservationInd
Coll Used Loan Or Exch Prog	Yes (X)	CollUsedLoanOrExchProgInd
Solicited Assets Sale	false	SolicitedAssetsSaleInd

CY Endwmt Fund CYEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$1,535,125,012	BeginningYearBalanceAmt
Contributions	$18,069,315	ContributionsAmt
Investment Earnings Or Losses	$201,355,112	InvestmentEarningsOrLossesAmt
Grants Or Scholarships	$1,177,500	GrantsOrScholarshipsAmt
Other Expenditures	$70,219,911	OtherExpendituresAmt
Administrative Expenses	$0	AdministrativeExpensesAmt
End Year Balance	$1,683,152,028	EndYearBalanceAmt

CY Minus1 Yr Endwmt Fund CYMinus1YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$1,449,027,778	BeginningYearBalanceAmt
Contributions	$13,830,083	ContributionsAmt
Investment Earnings Or Losses	$140,050,236	InvestmentEarningsOrLossesAmt
Grants Or Scholarships	$1,272,500	GrantsOrScholarshipsAmt
Other Expenditures	$66,510,585	OtherExpendituresAmt
Administrative Expenses	$0	AdministrativeExpensesAmt
End Year Balance	$1,535,125,012	EndYearBalanceAmt

CY Minus2 Yr Endwmt Fund CYMinus2YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$1,592,827,671	BeginningYearBalanceAmt
Contributions	$71,914,492	ContributionsAmt
Investment Earnings Or Losses	-$155,577,036	InvestmentEarningsOrLossesAmt
Grants Or Scholarships	$1,188,300	GrantsOrScholarshipsAmt
Other Expenditures	$58,949,049	OtherExpendituresAmt
Administrative Expenses	$0	AdministrativeExpensesAmt
End Year Balance	$1,449,027,778	EndYearBalanceAmt

CY Minus3 Yr Endwmt Fund CYMinus3YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$1,265,407,801	BeginningYearBalanceAmt
Contributions	$18,010,391	ContributionsAmt
Investment Earnings Or Losses	$365,541,906	InvestmentEarningsOrLossesAmt
Grants Or Scholarships	$1,152,100	GrantsOrScholarshipsAmt
Other Expenditures	$54,980,327	OtherExpendituresAmt
Administrative Expenses	$0	AdministrativeExpensesAmt
End Year Balance	$1,592,827,671	EndYearBalanceAmt

CY Minus4 Yr Endwmt Fund CYMinus4YrEndwmtFundGrp

Field	Value	IRS element (for citing)
Beginning Year Balance	$1,281,259,712	BeginningYearBalanceAmt
Contributions	$4,894,147	ContributionsAmt
Investment Earnings Or Losses	$32,626,794	InvestmentEarningsOrLossesAmt
Grants Or Scholarships	$1,132,999	GrantsOrScholarshipsAmt
Other Expenditures	$52,239,853	OtherExpendituresAmt
Administrative Expenses	$0	AdministrativeExpensesAmt
End Year Balance	$1,265,407,801	EndYearBalanceAmt

Field	Value	IRS element (for citing)
Board Designated Balance EOY	0.4181	BoardDesignatedBalanceEOYPct
Prmnnt Endowment Balance EOY	0.5819	PrmnntEndowmentBalanceEOYPct
Term Endowment Balance EOY	0.0	TermEndowmentBalanceEOYPct
Endowments Held Unrelated Org	false	EndowmentsHeldUnrelatedOrgInd
Endowments Held Related Org	false	EndowmentsHeldRelatedOrgInd

Land LandGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$6,259,184	OtherCostOrOtherBasisAmt
Book Value	$6,259,184	BookValueAmt

Buildings BuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$827,171,828	OtherCostOrOtherBasisAmt
Depreciation	$285,943,809	DepreciationAmt
Book Value	$541,228,019	BookValueAmt

Leasehold Improvements LeaseholdImprovementsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$52,026,044	OtherCostOrOtherBasisAmt
Depreciation	$24,269,336	DepreciationAmt
Book Value	$27,756,708	BookValueAmt

Equipment EquipmentGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$63,275,940	OtherCostOrOtherBasisAmt
Depreciation	$29,458,731	DepreciationAmt
Book Value	$33,817,209	BookValueAmt

Other Land Buildings OtherLandBuildingsGrp

Field	Value	IRS element (for citing)
Other Cost Or Other Basis	$97,183,692	OtherCostOrOtherBasisAmt
Depreciation	$3,918,666	DepreciationAmt
Book Value	$93,265,026	BookValueAmt

Field	Value	IRS element (for citing)
Total Book Value Land Buildings	$702,326,146	TotalBookValueLandBuildingsAmt

Other Securities OtherSecuritiesGrp (4 entries)

DescDesc	Book ValueBookValueAmt	Method ValuationMethodValuationCd
ABSOLUTE RETURN	$511,306,070	F
PUBLIC EQUITY FUNDS	$756,514,905	F
PRIVATE EQUITY	$217,943,544	F
REAL ASSETS	$23,204,593	F

Field	Value	IRS element (for citing)
Total Book Value Securities	$1,508,969,112	TotalBookValueSecuritiesAmt
Federal Income Tax Liability	$0	FederalIncomeTaxLiabilityAmt

Other Liabilities Org OtherLiabilitiesOrgGrp (4 entries)

DescDesc	AmtAmt
TAXABLE BONDS PAYABLE	$184,001,892
ACCRUED POSTRETIREMENT BENEFIT	$63,941,911
OPERATING LEASE LIABILITIES	$95,532,597
FINANCE LEASE LIABILITY	$26,892,336

Field	Value	IRS element (for citing)
Total Liability	$370,368,736	TotalLiabilityAmt
Footnote Text	Yes (X)	FootnoteTextInd
Total Rev Etc Audited Fincl Stmt	$569,841,995	TotalRevEtcAuditedFinclStmtAmt
Net Unrealized Gains Invst	$168,694,198	NetUnrealizedGainsInvstAmt
Donated Services And Use Fclts	$10,090,583	DonatedServicesAndUseFcltsAmt
Recoveries Prior Year Grants	$0	RecoveriesPriorYearGrantsAmt
Other Revenue	-$1,863,022	OtherRevenueAmt
Revenue Not Reported	$176,921,759	RevenueNotReportedAmt
Revenue Subtotal	$392,920,236	RevenueSubtotalAmt
Investment Expenses Not Incld	$6,452,671	InvestmentExpensesNotIncldAmt
Other Revenues Not Included	-$2,264,779	OtherRevenuesNotIncludedAmt
Revenue Not Reported Fincl Stmt	$4,187,892	RevenueNotReportedFinclStmtAmt
Total Revenue Per Form990	$397,108,128	TotalRevenuePerForm990Amt
Tot Expns Etc Audited Fincl Stmt	$395,561,947	TotExpnsEtcAuditedFinclStmtAmt
Donated Services Use Fclts	$10,090,583	DonatedServicesUseFcltsAmt
Prior Year Adjustments	$0	PriorYearAdjustmentsAmt
Losses Reported	$0	LossesReportedAmt
Other Expenses Included	$2,264,779	OtherExpensesIncludedAmt
Expenses Not Reported	$12,355,362	ExpensesNotReportedAmt
Expenses Subtotal	$383,206,585	ExpensesSubtotalAmt
Investment Expenses Not Incld2	$6,452,671	InvestmentExpensesNotIncld2Amt
Other Expenses Not Included	$0	OtherExpensesNotIncludedAmt
Expenses Not Rpt Fincl Stmt	$6,452,671	ExpensesNotRptFinclStmtAmt
Total Expenses Per Form990	$389,659,256	TotalExpensesPerForm990Amt

Supplemental Information Detail SupplementalInformationDetail (7 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule D, Part III LINES 1A AND 4 - COLLECTIONS OF ART, HISTORICAL TREASURES, OR SIMILIAR ASSETS	The Library has extensive research collections of library materials, including books, periodicals, and other items. These collections are maintained by the research libraries under curatorial care and are held for research, education, and public exhibition in furtherance of public service. Proceeds from the sales of collections are used to acquire other items for collections. The cost of collections purchased by the Library for the research libraries is charged to expense when incurred, and donated collection items are not recorded. The value of the Library's research collections cannot be determined. The cost of books and other library materials purchased by the branch libraries is not recorded as collections, because, largely by reason of their frequent use, such items are exhaustible over a short period of time. Such amounts are charged as a library services expense in the year purchased.
Schedule D, Part XI AND PART XII - EXPENSES RELATED TO SPECIAL EVENTS	PER THE ORGANIZATION'S ACCOUNTING PRACTICES, EXPENSES RELATED TO SPECIAL EVENTS (DIRECT BENEFIT TO DONORS) ARE NETTED WITH REVENUE FROM SPECIAL EVENTS FOR FINANCIAL STATEMENT PRESENTATION. THESE AMOUNTS ARE INCLUDED ON SCHEDULE D, PART XI, LINE 1. CERTAIN COST OF GOODS SOLD RELATED TO THE SALE OF INVENTORY ARE SHOWN AS EXPENSES FOR THE AUDITED FINANCIAL STATEMENTS; HOWEVER, ARE NETTED WITH THE SALE OF INVENTORY ON FORM 990, PART VIII, LINE 10A. ACCORDINGLY, THESE AMOUNTS ARE NOT INCLUDED ON SCHEDULE D, PART XI, LINE 1; BUT ARE INCLUDED ON SCHEDULE D, PART XII, LINE 1.
Schedule D, Part V, Line 4 Intended uses of endowment funds	THE LIBRARY'S ENDOWMENT CONSISTS OF 446 INDIVIDUAL FUNDS ESTABLISHED FOR A VARIETY OF PURPOSES, INCLUDING BOTH DONOR-RESTRICTED ENDOWMENT FUNDS AND FUNDS DESIGNATED BY THE BOARD OF TRUSTEES TO FUNCTION AS ENDOWMENT. NET ASSETS ASSOCIATED WITH THE ENDOWMENT FUNDS ARE CLASSIFIED AND REPORTED BASED ON THE EXISTENCE OR ABSENCE OF DONOR-IMPOSED RESTRICTIONS. THE ENDOWMENT FUNDS SUPPORT THE FOLLOWING PROGRAM ACTIVITIES: -RESEARCH CENTERS -BRANCH LIBRARIES -CONSERVATION AND CATALOGING -EXHIBITIONS AND PUBLIC EDUCATION PROGRAMS -OTHER - PRINCIPALLY, FOR THE GENERAL OPERATIONS OF THE RESEARCH CENTERS AND LIBRARY-WIDE PROGRAMS
Schedule D, Part X, Line 2 FIN 48 (ASC 740) footnote	THE LIBRARY RECOGNIZES THE EFFECTS OF INCOME TAX POSITIONS ONLY IF THOSE POSITIONS ARE MORE LIKELY THAN NOT OF BEING SUSTAINED. AS OF JUNE 30, 2024, AND 2023, THE LIBRARY DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS OR ANY UNRELATED BUSINESS INCOME TAX LIABILITIES WHICH WOULD HAVE A MATERIAL IMPACT UPON ITS FINANCIAL STATEMENTS.
Schedule D, Part XI, Line 2(d) Other revenues in audited financial statements not in form 990	Changes in postretirement benefits obligation other than net periodic benefit cost - -1863022
Schedule D, Part XI, Line 4(b) Other revenues in form 990 not in audited financial statements	COST OF GOODS SOLD CLASSIFICATION - -2264779
Schedule D, Part XII, Line 2(d) Other expenses in audited financial statements not in form 990	COST OF GOODS SOLD CLASSIFICATION - 2264779

Schedule F IRS990ScheduleF

Account Activities Outside US AccountActivitiesOutsideUSGrp

Field	Value	IRS element (for citing)
Region	Central America and the Caribbean	RegionTxt
Offices	0	OfficesCnt
Employee	0	EmployeeCnt
Type Of Activities Conducted	INVESTMENTS	TypeOfActivitiesConductedTxt
Region Total Expenditures	$527,380,105	RegionTotalExpendituresAmt

Field	Value	IRS element (for citing)
Subtotal Offices	0	SubtotalOfficesCnt
Subtotal Employees	0	SubtotalEmployeesCnt
Continuation Total Office	0	ContinuationTotalOfficeCnt
Continuation Total Employee	0	ContinuationTotalEmployeeCnt
Total Office	0	TotalOfficeCnt
Total Employee	0	TotalEmployeeCnt
Subtotal Spent	$527,380,105	SubtotalSpentAmt
Continuation Spent	$0	ContinuationSpentAmt
Total Spent	$527,380,105	TotalSpentAmt
Transfer To Foreign Corp	Yes (true)	TransferToForeignCorpInd
Interest In Foreign Trust	false	InterestInForeignTrustInd
Foreign Corp Ownership	Yes (true)	ForeignCorpOwnershipInd
Passive Foreign Investmest Co	Yes (true)	PassiveForeignInvestmestCoInd
Foreign Partnership	Yes (true)	ForeignPartnershipInd
Boycott Countries	false	BoycottCountriesInd

Supplemental Information Detail SupplementalInformationDetail

Field	Value	IRS element (for citing)
Form And Line Reference	Schedule F, Part I, Line 3 Method used to account for expenditures on org's financial statements	FormAndLineReferenceDesc
Explanation	CENTRAL AMERICA AND THE CARIBBEAN-Accrual	ExplanationTxt

Schedule G IRS990ScheduleG

Field	Value	IRS element (for citing)
Mail Solicitations	Yes (X)	MailSolicitationsInd
Email Solicitations	Yes (X)	EmailSolicitationsInd
Phone Solicitations	Yes (X)	PhoneSolicitationsInd
In Person Solicitations	Yes (X)	InPersonSolicitationsInd
Solicitation Of Non Govt Grants	Yes (X)	SolicitationOfNonGovtGrantsInd
Solicitation Of Govt Grants	Yes (X)	SolicitationOfGovtGrantsInd
Special Fundraising Events	Yes (X)	SpecialFundraisingEventsInd
Agrmt Prof Fundraising Acty	Yes (true)	AgrmtProfFundraisingActyInd

Fundraiser Activity Info FundraiserActivityInfoGrp (2 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	ActivityActivityTxt	Fundraiser Control Of FundsFundraiserControlOfFundsInd	Gross ReceiptsGrossReceiptsAmt	Retained By ContractorRetainedByContractorAmt	Net To OrganizationNetToOrganizationAmt
MAL WARWICK & ASSOCIATES
2250 NINTH STREET 103	BERKELEY	CA	94710	SEE PART IV	false	$1,869,059	$124,846	$1,744,213
CHARITY DYNAMICS
4031 GUADALUPE STREET	AUSTIN	TX	78751	SEE PART IV	false	$0	$24,542	-$24,542

Field	Value	IRS element (for citing)
Total Gross Receipts	$1,869,059	TotalGrossReceiptsAmt
Total Retained By Contractors	$149,388	TotalRetainedByContractorsAmt
Total Net To Organization	$1,719,671	TotalNetToOrganizationAmt
Licensed States	CA	LicensedStatesCd
Licensed States	CT	LicensedStatesCd
Licensed States	HI	LicensedStatesCd
Licensed States	IL	LicensedStatesCd
Licensed States	KS	LicensedStatesCd
Licensed States	KY	LicensedStatesCd
Licensed States	LA	LicensedStatesCd
Licensed States	ME	LicensedStatesCd
Licensed States	AK	LicensedStatesCd
Licensed States	MD	LicensedStatesCd
Licensed States	MA	LicensedStatesCd
Licensed States	MI	LicensedStatesCd
Licensed States	MN	LicensedStatesCd
Licensed States	MS	LicensedStatesCd
Licensed States	NV	LicensedStatesCd
Licensed States	NH	LicensedStatesCd
Licensed States	NJ	LicensedStatesCd
Licensed States	NC	LicensedStatesCd
Licensed States	ND	LicensedStatesCd
Licensed States	OH	LicensedStatesCd
Licensed States	OK	LicensedStatesCd
Licensed States	OR	LicensedStatesCd
Licensed States	PA	LicensedStatesCd
Licensed States	SC	LicensedStatesCd
Licensed States	TN	LicensedStatesCd
Licensed States	VA	LicensedStatesCd
Licensed States	WA	LicensedStatesCd
Licensed States	WV	LicensedStatesCd

Fundraising Event Information FundraisingEventInformationGrp

Field	Value	IRS element (for citing)
Event1	LIBRARY LIONS	Event1Nm
Gross Receipts Event1	$3,131,259	GrossReceiptsEvent1Amt
Charitable Contri Event1	$3,057,889	CharitableContriEvent1Amt
Gross Revenue Event1	$73,370	GrossRevenueEvent1Amt
Food And Beverage Event1	$200,792	FoodAndBeverageEvent1Amt
Entertainment Event1	$25,413	EntertainmentEvent1Amt
Event2	SPRING LUNCH	Event2Nm
Gross Receipts Event2	$913,541	GrossReceiptsEvent2Amt
Charitable Contri Event2	$877,301	CharitableContriEvent2Amt
Gross Revenue Event2	$36,240	GrossRevenueEvent2Amt
Food And Beverage Event2	$38,880	FoodAndBeverageEvent2Amt
Gross Revenue Other Events	$0	GrossRevenueOtherEventsAmt
Gross Receipts Total	$4,044,800	GrossReceiptsTotalAmt
Charitable Contributions Tot	$3,935,190	CharitableContributionsTotAmt
Gross Revenue Total Events	$109,610	GrossRevenueTotalEventsAmt
Food And Beverage Total Events	$239,672	FoodAndBeverageTotalEventsAmt
Entertainment Total Events	$25,413	EntertainmentTotalEventsAmt
Direct Expense Summary Events	$265,085	DirectExpenseSummaryEventsAmt
Net Income Summary	-$155,475	NetIncomeSummaryAmt

Supplemental Information Detail SupplementalInformationDetail (3 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule G, Part I FUNDRAISING EVENTS (AND FORM 990, PART IX, COLUMN (D))	THE LIBRARY IS CONTINUALLY WORKING TO ASSESS CURRENT AND LONG-TERM FUNDRAISING GOALS, AND STRIVES DILIGENTLY TO RAISE RESOURCES TO MEET THOSE GOALS. DUE TO THE NATURE OF PLANNED GIVING AND OTHER LONG-TERM FUNDRAISING ACTIVITIES, RESOURCE ALLOCATION AND CONTRIBUTION REVENUE ARE OFTEN REPORTED IN SEPARATE TIME PERIODS. THE LIBRARY'S FUNDRAISING AND MEMBERSHIP DEVELOPMENT ACTIVITIES INCLUDE WORKING WITH PROGRAM STAFF TO DEVELOP STATEMENTS OF NEED FOR PRIVATE FUNDRAISING, INCLUDING ENDOWMENT AND CAPITAL CONTRIBUTIONS; SOLICITING CONTRIBUTIONS FOR THOSE NEEDS AND FOR THE ANNUAL FUND FROM INDIVIDUALS, CORPORATIONS AND FOUNDATIONS; CONDUCTING OUTREACH EFFORTS TO SECURE MEMBERSHIP CONTRIBUTIONS AND CREATE AWARENESS OF THE LIBRARY AND ITS PROGRAMS; AND CONDUCTING SPECIAL FUNDRAISING EVENTS. THE LIBRARY RECOGNIZES PATRON SUPPORT IN VARIOUS MEMBERSHIP CATEGORIES.
Schedule G, Part I LINE 2B(I), (II) & (III) - ACTIVITY 1: MAL WARWICK AND ASSOCIATES	MAL WARWICK AND ASSOCIATES, INC. IS A FULL-SERVICE MARKETING AGENCY THAT WORKS ON THE LIBRARY'S DIRECT MAIL FUNDRAISING PROGRAMS. IT COLLABORATES ON ANNUAL PLANNING AND BUDGETING, DEVELOPS CREATIVE CAMPAIGNS AND MANAGES ALL PRODUCTION AND MAILING SERVICE LISTS FOR THE PROGRAMS. IN ADDITION, IT MONITORS DIRECT MAIL PROGRAM RETURNS AND PROVIDES ANALYSIS TO SUPPORT STRATEGIC DECISIONS. IN FISCAL YEAR 2024, THE LIBRARY PAID MAL WARWICK AND ASSOCIATES, INC. $124,846 IN FUNDRAISING EXPENSES.
Schedule G, Part I LINE 2B(I), (II) & (III) - ACTIVITY 2: CHARITY DYNAMICS	CHARITY DYNAMICS IS AN ONLINE MARKETING AGENCY THAT WORKS ON THE LIBRARY'S DIGITAL FUNDRAISING CAMPAIGNS. IT COLLABORATES ON ANNUAL PLANNING AND PROVIDES TECHNICAL ASSISTANCE. IN ADDITION, IT MONITORS RESULTS AND PROVIDES ANALYSIS TO SUPPORT STRATEGIC DECISIONS. DUE TO THE NATURE OF THIS ARRANGEMENT THE LIBRARY IS UNABLE TO IDENTIFY RECEIPTS RELATED TO ACTIVITIES THAT ARE SOLELY ATTRIBUTABLE TO CHARITY DYNAMICS. IN FISCAL YEAR 2024, THE LIBRARY PAID CHARITY DYNAMICS $24,542 IN FUNDRAISING EXPENSES.

Schedule I IRS990ScheduleI

Field	Value	IRS element (for citing)
Grant Records Maintained	Yes (true)	GrantRecordsMaintainedInd

Recipient Table RecipientTable (2 entries)

Address Line1USAddress/AddressLine1Txt	CityUSAddress/CityNm	State AbbreviationUSAddress/StateAbbreviationCd	ZIPUSAddress/ZIPCd	Recipient EINRecipientEIN	IRC SectionIRCSectionDesc	Cash GrantCashGrantAmt	Purpose Of GrantPurposeOfGrantTxt
BROOKLYN PUBLIC LIBRARY
10 GRAND ARMY PLAZA	BROOKLYN	NY	11238	111904261	501(C)(3)	$35,565	SEE PART IV
TEACHERS COLLEGE COLUMBIA UNIVERSITY
1234 AMSTERDAM AVENUE	NEW YORK	NY	10027	131624202	501(C)(3)	$19,651	SEE PART IV

Field	Value	IRS element (for citing)
Total501c3 Org	2	Total501c3OrgCnt
Total Other Org	0	TotalOtherOrgCnt

Grants Other Asst To Indiv In US GrantsOtherAsstToIndivInUSGrp (6 entries)

Grant TypeGrantTypeTxt	RecipientRecipientCnt	Cash GrantCashGrantAmt
DOROTHY & LEWIS B. CULLMAN CTR, SCHLRS	15	$1,125,000
SCHOMBURG SCHLRS-IN-RES PGM	11	$261,000
OTHER FELLOWSHIPS, GRANTS & AWARDS	161	$361,136
SHORT TERM FELLOWSHIP PROGRAM	51	$415,750
SCHOMBURG MELLON HUMANIT INST FELLOW	16	$16,000
LAPIDUS CENTER FELLOWSHIP	4	$39,000

Supplemental Information Detail SupplementalInformationDetail (2 entries)

Form And Line ReferenceFormAndLineReferenceDesc

ExplanationExplanationTxt

Schedule I, Part I, Line 2 GRANTS TO ORGANIZATIONS

THE LIBRARY PROVIDED GRANTS TO TWO 501(C)(3) ORGANIZATIONS FOR THE PURPOSES OF: (1) SUPPORTING THE CITY'S THREE LIBRARY SYSTEM CULTURE PASS PROGRAM AND (2) THE NATIONAL ENDOWMENT FOR THE HUMANITIES (NEH) SUMMER INSTITUTE FOR TEACHERS PROGRAM.

Schedule I, Part I, Line 2 Procedures for monitoring use of grant funds.

THE LIBRARY AWARDS VARIOUS FELLOWSHIPS TO ACADEMICS, INDEPENDENT SCHOLARS, CREATIVE WRITERS, AND VISUAL ARTISTS. THESE FELLOWSHIP PROGRAMS CONNECT FELLOWS WITH THE RESOURCES OF THE LIBRARY; PROMOTE INTERPRETIVE AND CREATIVE SCHOLARSHIP AND WRITING; AND INVITE FELLOWS TO PRESENT THEIR WORK TO THE GENERAL PUBLIC IN PAPERS, SYMPOSIA, CONVERSATIONS, AND LECTURES. APPLICATIONS FOR THE FELLOWSHIP PROGRAMS ARE REVIEWED BY EXPERTS IN EACH FIELD AND/OR A SELECTION COMMITTEE. CRITERIA USED TO SELECT THE RECIPIENTS OF FELLOWSHIPS MAY INCLUDE: (1) THE NEED OF THE PROPOSED PROJECT FOR THE RESEARCH HOLDINGS OF THE LIBRARY, (2) THE QUALITY AND FEASIBILITY OF THE PROJECT PLAN, (3) LETTERS OF RECOMMENDATION FROM OTHER SCHOLARS OR WRITERS IN SUPPORT OF THE PROJECT, (4) THE LIKELIHOOD THAT THE PROJECT WILL BE COMPLETED SUCCESSFULLY, AND (5) EXCELLENCE, AS SHOWN EITHER IN A RECORD OF SIGNIFICANT ACCOMPLISHMENT BY AN APPLICANT ESTABLISHED IN THEIR FIELD, OR A HIGHLY PROMISING PROPOSAL BY A RELATIVE NEWCOMER TO A FIELD OF SCHOLARSHIP. IN ADDITION, THE LIBRARY AWARDS PRIZES TO AUTHORS FOR PREVIOUSLY PUBLISHED WORKS (BOTH FICTION AND NONFICTION), ENTREPRENEURS AS PART OF A BUSINESS PLAN COMPETITION, AND INDIVIDUALS WHO CONTRIBUTE TO THE QUALITY OF LIFE IN NEW YORK CITY. SUBMISSIONS FOR THESE PRIZES ARE ALSO REVIEWED BY A PANEL OF EXPERTS AND/OR A SELECTION COMMITTEE.

Schedule J IRS990ScheduleJ

Field	Value	IRS element (for citing)
Idemnification Gross Up Pmts	Yes (X)	IdemnificationGrossUpPmtsInd
Housing Allowance Or Residence	Yes (X)	HousingAllowanceOrResidenceInd
Club Dues Or Fees	Yes (X)	ClubDuesOrFeesInd
Written Policy Ref T And E Expnss	Yes (true)	WrittenPolicyRefTAndEExpnssInd
Substantiation Required	Yes (true)	SubstantiationRequiredInd
Compensation Committee	Yes (X)	CompensationCommitteeInd
Independent Consultant	Yes (X)	IndependentConsultantInd
Form990 Of Other Organizations	Yes (X)	Form990OfOtherOrganizationsInd
Compensation Survey	Yes (X)	CompensationSurveyInd
Board Or Committee Approval	Yes (X)	BoardOrCommitteeApprovalInd
Severance Payment	Yes (true)	SeverancePaymentInd
Supplemental Nonqual Rtr Plan	false	SupplementalNonqualRtrPlanInd
Equity Based Comp Arrngm	false	EquityBasedCompArrngmInd
Comp Based On Revenue Of Flng Org	false	CompBasedOnRevenueOfFlngOrgInd
Comp Bsd On Rev Related Orgs	false	CompBsdOnRevRelatedOrgsInd
Comp Bsd Net Earns Flng Org	false	CompBsdNetEarnsFlngOrgInd
Comp Bsd Net Earns Rltd Orgs	false	CompBsdNetEarnsRltdOrgsInd
Any Non Fixed Payments	Yes (true)	AnyNonFixedPaymentsInd
Initial Contract Exception	Yes (true)	InitialContractExceptionInd
Rebuttable Presumption Proc	Yes (true)	RebuttablePresumptionProcInd

Rltd Org Officer Trst Key Empl RltdOrgOfficerTrstKeyEmplGrp (25 entries)

TitleTitleTxt	Base Compensation Filing OrgBaseCompensationFilingOrgAmt	Compensation Based On Rltd OrgsCompensationBasedOnRltdOrgsAmt	Bonus Filing OrganizationBonusFilingOrganizationAmount	Bonus Related OrganizationsBonusRelatedOrganizationsAmt	Other Compensation Filing OrgOtherCompensationFilingOrgAmt	Other Compensation Rltd OrgsOtherCompensationRltdOrgsAmt	Deferred Compensation Flng OrgDeferredCompensationFlngOrgAmt	Deferred Comp Rltd OrgsDeferredCompRltdOrgsAmt	Nontaxable Benefits Filing OrgNontaxableBenefitsFilingOrgAmt	Nontaxable Benefits Rltd OrgsNontaxableBenefitsRltdOrgsAmt	Total Compensation Filing OrgTotalCompensationFilingOrgAmt	Total Compensation Rltd OrgsTotalCompensationRltdOrgsAmt	Comp Report Prior990 Filing OrgCompReportPrior990FilingOrgAmt	Comp Report Prior990 Rltd OrgsCompReportPrior990RltdOrgsAmt
ANTHONY W MARX
TRUSTEE, PRES AND CHIEF EXEC OFFICER	$885,991	$0	$0	$0	$177,073	$0	$101,849	$0	$33,053	$0	$1,197,966	$0	$0	$0
ANTHONY AGEH
Former CHIEF DIGITAL OFFICER (END 5/1/23)	$150,103	$0	$0	$0	$594,394	$0	$12,444	$0	$18,948	$0	$775,889	$0	$0	$0
GEETANJALI GUPTA
CHIEF INVESTMENT OFFICER	$686,388	$0	$673,900	$0	$681	$0	$26,400	$0	$48,803	$0	$1,436,172	$0	$0	$0
TERRANCE NEAL
VP, HUMAN RESOURCES	$363,264	$0	$0	$0	$393	$0	$195,077	$0	$26,805	$0	$585,539	$0	$0	$0
IRIS WEINSHALL
COO AND TREASURER	$517,028	$0	$0	$0	$4,711	$0	$26,400	$0	$16,475	$0	$564,614	$0	$0	$0
JADRIEN F STEELE
VP, DEVELOPMENT	$355,625	$0	$0	$0	$393	$0	$156,290	$0	$49,222	$0	$561,530	$0	$0	$0
GESILLE DIXON
VP, BRANCH PROGRAMS AND SERVICES	$240,751	$0	$0	$0	$278	$0	$287,792	$0	$32,362	$0	$561,183	$0	$0	$0
MICHELE COLEMAN MAYES
VP, GENERAL COUNSEL AND SEC (END 3/1/24)	$482,173	$0	$0	$0	$3,628	$0	$41,565	$0	$19,639	$0	$547,005	$0	$0	$0
BRIAN BANNON
MERRYL AND JAMES TISCH, DIRECTOR	$428,308	$0	$0	$0	$22,974	$0	$26,400	$0	$19,699	$0	$497,381	$0	$0	$0
BRENT REIDY
ANDREW W. MELLON, DIRECTOR	$422,421	$0	$0	$0	$22,796	$0	$26,400	$0	$1,622	$0	$473,239	$0	$0	$0
SHANNON SHARP
CFO & ASST TREASURER	$381,138	$0	$0	$0	$636	$0	$26,400	$0	$46,218	$0	$454,392	$0	$0	$0
CARYL MATUTE
VP, BRANCH LIBRARIES & PATRON SVCS	$246,932	$0	$0	$0	$23,324	$0	$105,938	$0	$46,791	$0	$422,985	$0	$0	$0
GARFIELD L SWABY
VP, INFORMATION TECHNOLOGY	$262,316	$0	$0	$0	$9,076	$0	$121,180	$0	$15,572	$0	$408,144	$0	$0	$0
GEORGE MIHALTSES
VP, GOV'T & COMMUNITY AFFRS	$243,529	$0	$0	$0	$1,267	$0	$127,856	$0	$33,861	$0	$406,513	$0	$0	$0
SAM RUBIN
CHIEF STRAT PLN OFFICER & CHIEF OF STAFF	$279,254	$0	$0	$0	$3,069	$0	$62,917	$0	$17,604	$0	$362,844	$0	$0	$0
DAVID LEM
VP, CAPITAL PLANNING & CONSTRUCTION	$275,720	$0	$0	$0	$476	$0	$23,079	$0	$47,837	$0	$347,112	$0	$0	$0
JENNIFER FERMINO
VP, COMMUNICATION AND MARKETING	$275,512	$0	$0	$0	$22,839	$0	$26,490	$0	$21,990	$0	$346,831	$0	$0	$0
STEPHEN BETTS
INTERIM, CHIEF DIGITAL OFFICER	$246,919	$0	$0	$0	$168	$0	$20,446	$0	$33,800	$0	$301,333	$0	$0	$0
FAY ROSENFELD
VP, PUBLIC PROGRAMS	$227,748	$0	$0	$0	$23,773	$0	$20,265	$0	$3,680	$0	$275,466	$0	$0	$0
GARRETT CHARLES BERGEN
SNR. DIRECTOR, FACILITIES MGMT	$222,959	$0	$0	$0	$712	$0	$18,621	$0	$44,757	$0	$287,049	$0	$0	$0
PETER RUMMEL
DIRECTOR, INVESTMENTS	$263,536	$0	$198,083	$0	$1,089	$0	$21,083	$0	$587	$0	$484,378	$0	$0	$0
DORIS ZHAO
DIRECTOR, INVESTMENTS	$234,876	$0	$156,330	$0	$67	$0	$19,091	$0	$15,724	$0	$426,088	$0	$0	$0
MARJOEL MONTALBO
SNR DIRECTOR, BUDGET	$244,086	$0	$0	$0	$11,636	$0	$127,238	$0	$33,002	$0	$415,962	$0	$0	$0
VANESSA NOVAK SPRAY
SNR. DIR, EARNED REVENUE & VISITOR EXPER	$226,357	$0	$0	$0	$22,716	$0	$103,206	$0	$31,516	$0	$383,795	$0	$0	$0
JOY BIVINS
DIRECTOR, THE SCHOMBERG CENTER	$283,037	$0	$0	$0	$170	$0	$23,018	$0	$16,752	$0	$322,977	$0	$0	$0

Supplemental Information Detail SupplementalInformationDetail (6 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule J, Part I, Line 1a REIMBURSEMENT OF CERTAIN EXPENSES	THE LIBRARY REIMBURSES THE PRESIDENT FOR CLUB MEMBERSHIP DUES AND PROVIDES A HOUSING ALLOWANCE AS PER HIS EMPLOYMENT CONTRACT. SUCH AMOUNTS ARE INCLUDED IN OTHER REPORTABLE COMPENSATION ON SCHEDULE J, PART II, COLUMN (B) (III).
Schedule J, Part I, Line 1a TAX INDEMNIFICATION AND GROSS-UP PAYMEMTS	GROUP LIFE INSURANCE PREMIUMS ON THE FIRST $50,000 COVERAGE FOR ALL OFFICERS OF THE LIBRARY ARE GROSSED UP AND INCLUDED IN OTHER REPORTABLE COMPENSATION ON SCHEDULE J, PART II, COLUMN (B)(III).
Schedule J, Part I, Line 4a SEVERANCE COMPENSATION	TONY AGEH, FORMER CHIEF DIGITAL OFFICER, RECEIVED SEVERANCE COMPENSATION OF $548,625 IN CALENDAR YEAR 2023. THIS AMOUNT IS REPORTED ON SCEDULE J, PART II, COLUMN (B)(III).
Schedule J, Part I, Line 7 AND LINE 8 - AMOUNTS PAID PURSUANT TO INCENTIVE COMPENSATION PLAN	GEETANJALI GUPTA, PETER RUMMEL, AND DORIS ZHAO RECEIVED BONUSES OF $673,900, $198,083 AND $156,330, RESPECTIVELY, PURSUANT TO THEIR INCENTIVE COMPENSATION PLAN. A PORTION OF THESE AMOUNTS MAY REPRESENT DISCRETIONARY NON-FIXED PAYMENTS. THE PLAN WAS CREATED BY PWC, THE LIBRARY'S EXTERNAL COMPENSATION CONSULTANTS, AND THEN REVIEWED AND APPROVED BY THE CHIEF OPERATING OFFICER, THE INVESTMENT COMMITTEE, AND THE COMPENSATION AND TALENT COMMITTEE BEFORE BEING IMPLEMENTED.
Schedule J, Part II, Column (B)(iii) OTHER REPORTABLE COMPENSATION	OTHER REPORTABLE COMPENSATION IN COLUMN B(III) FOR CERTAIN LISTED EMPLOYEES INCLUDES AMOUNTS DEFERRED UNDER A SECTION 457(B) PLAN AND CERTAIN IMPUTED INCOME AMOUNTS.
Schedule J, Part II, Column (C) RETIREMENT AND OTHER DEFERRED COMPENSATION	RETIREMENT AND OTHER DEFERRED COMPENSATION REFLECTS EITHER 1) THE CHANGE IN ACTUARIAL VALUE OF THE DEFINED BENEFIT PENSION PLAN, THE NEW YORK STATE AND LOCAL EMPLOYEES' RETIREMENT SYSTEM (NYSLERS), OR 2) THE LIBRARY'S ACTUAL CONTRIBUTION TO THE NEW YORK STATE VOLUNTARY DEFINED CONTRIBUTION PLAN (VDC).

Schedule M IRS990ScheduleM

Works Of Art WorksOfArtGrp

Field	Value	IRS element (for citing)
Non Cash Checkbox	Yes (X)	NonCashCheckboxInd
Contribution	49	ContributionCnt
Method Of Determining Revenues	Other - N/A	MethodOfDeterminingRevenuesTxt

Books And Publications BooksAndPublicationsGrp

Field	Value	IRS element (for citing)
Non Cash Checkbox	Yes (X)	NonCashCheckboxInd
Method Of Determining Revenues	Other	MethodOfDeterminingRevenuesTxt

Securities Publicly Traded SecuritiesPubliclyTradedGrp

Field	Value	IRS element (for citing)
Non Cash Checkbox	Yes (X)	NonCashCheckboxInd
Contribution	69	ContributionCnt
Noncash Contributions Rpt F990	$9,057,260	NoncashContributionsRptF990Amt
Method Of Determining Revenues	Market value	MethodOfDeterminingRevenuesTxt

Real Estate Other RealEstateOtherGrp

Field	Value	IRS element (for citing)
Non Cash Checkbox	Yes (X)	NonCashCheckboxInd
Contribution	1	ContributionCnt
Noncash Contributions Rpt F990	$6,495,063	NoncashContributionsRptF990Amt
Method Of Determining Revenues	Other - BOOK VALUE	MethodOfDeterminingRevenuesTxt

Other Non Cash Contri Table OtherNonCashContriTableGrp

Field	Value	IRS element (for citing)
Non Cash Checkbox	Yes (X)	NonCashCheckboxInd
Desc	PERSONAL PAPERS/MANUSCRIPTS	Desc
Contribution	7	ContributionCnt
Method Of Determining Revenues	Other - N/A	MethodOfDeterminingRevenuesTxt

Field	Value	IRS element (for citing)
Form8283 Received	57	Form8283ReceivedCnt
Any Property That Must Be Held	false	AnyPropertyThatMustBeHeldInd
Review Process Unusual NC Gifts	Yes (true)	ReviewProcessUnusualNCGiftsInd
Third Parties Used	false	ThirdPartiesUsedInd

Supplemental Information Detail SupplementalInformationDetail (3 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Schedule M, Part I, Line 17 REAL ESTATE- OTHER	DURING FISCAL YEAR 2024, THE LIBRARY RECEIVED CONTRIBUTED PROPERTY OF $6,495,063 FROM THE CITY OF NEW YORK.
Schedule M, Part I, Line 33 Noncash contribution amounts not reported	DONATED COLLECTION ITEMS ARE NOT RECORDED. REFER TO SCHEDULE D, PART III, LINE 1A.
Schedule M, Part I Explanations of reporting method for number of contributions	Art - Works of art - NUMBER OF CONTRIBUTIONS Securities - Publicly traded - NUMBER OF CONTRIBUTIONS Real estate - Other - NUMBER OF CONTRIBUTORS Other - PERSONAL PAPERS/MANUSCRIPTS - NUMBER OF CONTRIBUTIONS

Schedule O IRS990ScheduleO

Supplemental Information Detail SupplementalInformationDetail (10 entries)

Form And Line ReferenceFormAndLineReferenceDesc	ExplanationExplanationTxt
Form 990, Part I, Line 6 VOLUNTEERS	VOLUNTEERS ENHANCE LIBRARY SERVICES TO THE COMMUNITY BY FREELY GIVING OF THEIR TIME AND PERFORMING TASKS TYPICALLY ASSOCIATED WITH VOLUNTEER WORK RATHER THAN PAID EMPLOYMENT. THE LIBRARY ENCOURAGES THE INVOLVEMENT OF VOLUNTEERS AND CREATES MEANINGFUL ROLES WITHIN APPROPRIATE PROGRAMS AND ACTIVITIES IN WHICH VOLUNTEERS FROM THE COMMUNITY CAN SERVE.
Form 990, Part VI, Line 1a Delegate broad authority to a committee	The governing body has an Executive Committee authorized to exercise all of the powers of the Board between meetings. The Executive Committee consists of the Board Chair, Vice Chair, President and Committee Chairs. Actions taken by the Executive Committee are reported to the full Board.
Form 990, Part VI, Line 11b Review of form 990 by governing body	THE LIBRARY'S FORM 990 IS PREPARED BY MANAGEMENT AND REVIEWED BY AN INDEPENDENT ACCOUNTING FIRM USING INFORMATION PROVIDED BY THE LIBRARY. THE DRAFT FORM 990 IS REVIEWED BY CERTAIN OFFICERS AND KEY EMPLOYEES. AS REQUIRED BY THE CHARTER OF THE AUDIT COMMITTEE OF THE BOARD OF TRUSTEES, THE FORM 990 IS THEN SENT TO THE MEMBERS OF THE AUDIT COMMITTEE FOR THEIR REVIEW WITH MANAGEMENT AT A SCHEDULED AUDIT COMMITTEE MEETING PRIOR TO FILING. FINALLY, AND ALSO PRIOR TO FILING, THE FORM 990 IS SENT TO THE MEMBERS OF THE BOARD OF TRUSTEES FOR REVIEW.
Form 990, Part VI, Line 12c Conflict of interest policy	DESCRIPTION OF PROCESS TO MONITOR TRANSACTIONS FOR CONFLICTS OF INTEREST: PROPOSED CANDIDATES FOR TRUSTEES, OFFICERS AND KEY EMPLOYEE POSITIONS ARE PROVIDED WITH A COPY OF THE POLICY STATEMENT AND QUESTIONNAIRE, AND MUST DISCLOSE ANY POTENTIAL CONFLICTS IN ADVANCE OF ELECTION OR APPOINTMENT. EACH TRUSTEE, OFFICER, AND KEY EMPLOYEE IS PROVIDED WITH A COPY OF THE POLICY ON AN ANNUAL BASIS. UPON RECEIPT, EACH SUCH TRUSTEE, OFFICER, AND KEY EMPLOYEE IS REQUIRED TO PROMPTLY COMPLETE, SIGN, AND RETURN THE CONFLICT OF INTEREST ANNUAL STATEMENT AND ANNUAL QUESTIONNAIRE. THERE IS ALSO AN ONGOING OBLIGATION TO DISCLOSE CONFLICTS IN ADDITION TO COMPLETING THE ANNUAL QUESTIONNAIRE. EACH CONFLICT OF INTEREST STATEMENT AND ANNUAL QUESTIONNAIRE IS REVIEWED AND EVALUATED IN ACCORDANCE WITH THE POLICY FOR ANY ACTUAL AND/OR POTENTIAL CONFLICT OF INTEREST, WHICH PROVIDES, "A TRUSTEE, OFFICER OR KEY EMPLOYEE SHALL NOT VOTE ON, APPROVE OR RECOMMEND ANY TRANSACTION IN WHICH THEY OR ANY MEMBER OF THEIR FAMILY HAS ANY ACTUAL OR POTENTIAL CONFLICT OF INTEREST. IF THE TRUSTEE, OFFICER OR KEY EMPLOYEE IS PRESENT AT A MEETING OF THE BOARD OR ANY COMMITTEE AT WHICH SUCH MATTER IS CONSIDERED, THE TRUSTEE, OFFICER, OR KEY EMPLOYEE SHALL LEAVE THE MEETING DURING ANY DISCUSSIONS OR VOTE RELATING TO SUCH MATTER. PRIOR TO APPROVAL, THE AUDIT COMMITTEE OR THE BOARD MUST DETERMINE THAT THE TRANSACTION IS FAIR, REASONABLE AND IN THE LIBRARY'S BEST INTEREST, AND IF A TRUSTEE, OFFICER OR KEY EMPLOYEE HAS A SUBSTANTIAL FINANCIAL INTEREST, MUST CONSIDER ALTERNATIVE TRANSACTIONS TO THE EXTENT AVAILABLE."
Form 990, Part VI, Line 15a Process to establish compensation of top management official	THE COMPENSATION AND TALENT DEVELOPMENT COMMITTEE OF THE BOARD OF TRUSTEES MEETS AT LEAST FOUR TIMES A YEAR. AS REQUIRED, IT REVIEWS THE COMPENSATION OF THE PRESIDENT, OFFICERS AND KEY EMPLOYEES OF THE LIBRARY, AS RECORDED CONTEMPORANEOUSLY IN THE MINUTES. THE LIBRARY REGULARLY CONSULTS COMPETITIVE DATA INCLUDING PUBLISHED SURVEYS WHEN REVIEWING AND MAKING COMPENSATION AND SALARY ADJUSTMENTS. IN ADDITION, THE COMPENSATION AND TALENT DEVELOPMENT COMMITTEE OF THE BOARD OF TRUSTEES RETAINS THE SERVICES OF AN INDEPENDENT CONSULTING FIRM TO SURVEY EXECUTIVE COMPENSATION AMONG PEER ORGANIZATIONS TO SUPPORT DECISIONS OF REASONABLENESS AND FAIR MARKET VALUE OF COMPENSATION. THE LAST REVIEW BY AN INDEPENDENT CONSULTING FIRM WAS DONE IN APRIL 2024.
Form 990, Part VI, Line 15b Process to establish compensation of other employees	See Part VI, Line 15a Narrative Above.
Form 990, Part VI, Line 19 Required documents available to the public	THE LIBRARY'S GOVERNING DOCUMENTS (BYLAWS AND CHARTER) ARE MADE AVAILABLE TO THE GENERAL PUBLIC AS THEY ARE POSTED ON THE LIBRARY'S WEBSITE. THE LIBRARY'S CONFLICT OF INTEREST POLICY IS MADE AVAILABLE TO THE GENERAL PUBLIC AS IT IS POSTED ON THE LIBRARY'S WEBSITE. THE LIBRARY'S AUDITED FINANCIAL STATEMENTS ARE MADE AVAILABLE TO THE GENERAL PUBLIC AS THEY ARE POSTED ON THE LIBRARY'S WEBSITE.
Form 990, Part IX, Column (D) AND SCHEDULE G, PART I - FUNDRAISING EVENTS	THE LIBRARY IS CONTINUALLY WORKING TO ASSESS CURRENT AND LONG-TERM FUNDRAISING GOALS, AND STRIVES DILIGENTLY TO RAISE RESOURCES TO MEET THOSE GOALS. DUE TO THE NATURE OF PLANNED GIVING AND OTHER LONG-TERM FUNDRAISING ACTIVITIES, RESOURCE ALLOCATION AND CONTRIBUTION REVENUE ARE OFTEN REPORTED IN SEPARATE TIME PERIODS. THE LIBRARY'S FUNDRAISING AND MEMBERSHIP DEVELOPMENT ACTIVITIES INCLUDE WORKING WITH PROGRAM STAFF TO DEVELOP STATEMENTS OF NEED FOR PRIVATE FUNDRAISING, INCLUDING ENDOWMENT AND CAPITAL CONTRIBUTIONS; SOLICITING CONTRIBUTIONS FOR THOSE NEEDS AND FOR THE ANNUAL FUND FROM INDIVIDUALS, CORPORATIONS AND FOUNDATIONS; CONDUCTING OUTREACH EFFORTS TO SECURE MEMBERSHIP CONTRIBUTIONS AND CREATE AWARENESS OF THE LIBRARY AND ITS PROGRAMS; AND CONDUCTING SPECIAL FUNDRAISING EVENTS.
Form 990, Part X, Line 10 CONTRIBUTED CAPITAL FOR USE	DURING FISCAL YEAR 2024, THE LIBRARY RECEIVED CONTRIBUTED BUILDING AND LEASEHOLD IMPROVEMENTS OF $7,476,659 FROM THE CITY OF NEW YORK. THIS AMOUNT WAS RECORDED AS FIXED ASSETS AND CONTRIBUTED PROPERTY AND CAPITAL FOR USE IN THE LIBRARY'S 2024 FINANCIAL STATEMENTS.
Form 990, Part XI, Line 9 Other changes in net assets or fund balances	Changes in postretirement benefits obligation other than net periodic benefit cost - -1863022;

Schedule R IRS990ScheduleR

Id Related Tax Exempt Org IdRelatedTaxExemptOrgGrp

Disregarded Entity Name DisregardedEntityName

Field	Value	IRS element (for citing)
Business Name Line1	BRYANT PARK CORPORATION (BPC)	BusinessNameLine1Txt

US Address USAddress

Field	Value	IRS element (for citing)
Address Line1	1065 AVENUE OF AMERICAS	AddressLine1Txt
Address Line2	STE 2400	AddressLine2Txt
City	New York	CityNm
State Abbreviation	NY	StateAbbreviationCd
ZIP	10018	ZIPCd

Field	Value	IRS element (for citing)
EIN	133009946	EIN
Primary Activities	PARK MGMT	PrimaryActivitiesTxt
Legal Domicile State	NY	LegalDomicileStateCd
Exempt Code Section	501(c)(3)	ExemptCodeSectionTxt
Public Charity Status	Type I	PublicCharityStatusTxt

Direct Controlling Entity Name DirectControllingEntityName

Field	Value	IRS element (for citing)
Business Name Line1	NA	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Controlled Organization	Yes (true)	ControlledOrganizationInd

Id Related Org Txbl Corp Tr IdRelatedOrgTxblCorpTrGrp

Related Organization Name RelatedOrganizationName

Field	Value	IRS element (for citing)
Business Name Line1	PERPETUAL TRUST (1)	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Primary Activities	Investment	PrimaryActivitiesTxt
Legal Domicile State	NY	LegalDomicileStateCd

Direct Controlling Entity Name DirectControllingEntityName

Field	Value	IRS element (for citing)
Business Name Line1	NA	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Controlled Organization	Yes (true)	ControlledOrganizationInd

Field	Value	IRS element (for citing)
Receipt Of Int Annts Rnts Rylts	false	ReceiptOfIntAnntsRntsRyltsInd
Gift Grnt Or Cap Contri To Oth Org	false	GiftGrntOrCapContriToOthOrgInd
Gift Grnt Cap Contri From Oth Org	false	GiftGrntCapContriFromOthOrgInd
Loans Or Guarantees To Other Org	false	LoansOrGuaranteesToOtherOrgInd
Loans Or Guarantees From Oth Org	false	LoansOrGuaranteesFromOthOrgInd
Div Related Organization	false	DivRelatedOrganizationInd
Asset Sale To Other Org	false	AssetSaleToOtherOrgInd
Asset Purchase From Other Org	false	AssetPurchaseFromOtherOrgInd
Asset Exchange	false	AssetExchangeInd
Rental Of Facilities To Oth Org	false	RentalOfFacilitiesToOthOrgInd
Rental Of Fclts From Oth Org	false	RentalOfFcltsFromOthOrgInd
Perform Of Services For Oth Org	false	PerformOfServicesForOthOrgInd
Perform Of Services By Other Org	false	PerformOfServicesByOtherOrgInd
Sharing Of Facilities	false	SharingOfFacilitiesInd
Paid Employees Sharing	false	PaidEmployeesSharingInd
Reimbursement Paid To Other Org	false	ReimbursementPaidToOtherOrgInd
Reimbursement Paid By Other Org	false	ReimbursementPaidByOtherOrgInd
Transfer To Other Org	false	TransferToOtherOrgInd
Transfer From Other Org	Yes (true)	TransferFromOtherOrgInd

Transactions Related Org TransactionsRelatedOrgGrp

Other Organization Name OtherOrganizationName

Field	Value	IRS element (for citing)
Business Name Line1	PERPETUAL TRUST	BusinessNameLine1Txt

Field	Value	IRS element (for citing)
Transaction Type	S	TransactionTypeTxt
Involved	$62,616	InvolvedAmt
Method Of Amount Determination	FMV	MethodOfAmountDeterminationTxt