Liabilities / Assets
4th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 22-3751732 • 501(c)3 • Princeton, NJ
Profile
The primary exempt purpose of the organization is to develop and operate a library depository which will serve the educational and charitable purposes of the benefited institutions by enabling them to alleviate a critical shortage of depository facilities for the housing of books, manuscripts, microfilm and other archival materials, and to help preserve their collective library collections. The benefitted organizations are The New York Public Library's Astor, Lenox and Tilden Foundations, The Trustees of Columbia University in the City of New York, President and Fellows of Harvard College, and The Trustees of Princeton University.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
4th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
4th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
92nd percentile
Higher net margin than 92% of similar nonprofits.
Top Officer Pay
91st percentile
Higher top officer pay than 91% of similar nonprofits.
Top officer pay equals 5.0% of source-year revenue.
Asset Growth
67th percentile
Faster asset growth than 67% of similar nonprofits.
Revenue Growth
4th percentile
Faster revenue growth than 4% of similar nonprofits.
Assets
Up$79,981,715
Up $6,134,468 (+8.3%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$79,981,715
Up $6,134,468 (+8.3%) from 2023
Revenue
Down$13,670,204
Down $8,808,623 (-39%) from 2023
Expenses
Up$7,535,736
Up $436,019 (+6.1%) from 2023
Net Income
Down$6,134,468
Down $9,244,642 (-60%) from 2023
Most recent year
2024 • Form 990Detailed filing. Detailed filing data is available for this year.
The primary exempt purpose of the organization is to develop and operate a library depository which will serve the educational and charitable purposes of the benefited institutions by enabling them to alleviate a critical shortage of depository facilities for the housing of books, manuscripts, microfilm and other archival materials, and to help preserve their collective library collections. The benefitted organizations are The New York Public Library's Astor, Lenox and Tilden Foundations, The Trustees of Columbia University in the City of New York, President and Fellows of Harvard College, and The Trustees of Princeton University.
The primary exempt purpose of the organization is to develop and operate a library depository which will serve the educational and charitable purposes of the benefitted institutions.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $64,834,283 | $72,709,456 | ▲ $7,875,173 |
| Savings and Temporary Cash Investments | $8,832,274 | $6,562,430 | ▼ $2,269,844 |
| Accounts Receivable | $170,000 | $708,838 | ▲ $538,838 |
| Prepaid Expenses and Deferred Charges | $10,690 | $991 | ▼ $9,699 |
| Cash and Non-Interest-Bearing Accounts | $0 | $0 | → $0 |
| Receivable From Disqualified Prsn | $0 | $0 | → $0 |
| Receivables From Officers Etc | $0 | $0 | → $0 |
| Investments Other Securities | $0 | - | - |
| Investments Program Related | $0 | - | - |
| Loans From Officers Directors | $0 | $0 | → $0 |
| Total Assets | $73,847,247 | $79,981,715 | ▲ $6,134,468 |
| Other Assets Total | $0 | $0 | → $0 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $0 | - | - |
| Other Liabilities | $0 | $0 | → $0 |
| Total Liabilities | $0 | $0 | → $0 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $73,847,247 | $79,981,715 | ▲ $6,134,468 |
| Total Net Assets Fund Balance | $73,847,247 | $79,981,715 | ▲ $6,134,468 |
| Total Liabilities and Net Assets / Fund Balance | $73,847,247 | $79,981,715 | ▲ $6,134,468 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $67,688,303 | $29,470,933 | - |
| Other Land Buildings | $328,926 | $767,501 | - |
| Land | $4,391,019 | - | - |
| Equipment | $301,208 | $1,860,791 | - |
| Name | Title |
|---|---|
| Ann Thornton | President-Board of Governors |
| Troy Eggers | Vice President-Board of Governors |
| Anne Jarvis | Board of Governors |
| Brent Reidy | Board of Governors |
| Dana Sunshine | Board of Governors |
| Margaret Newell | Board of Governors |
| Martha Whitehead | Board of Governors |
| Soulaymane Kachani | Board of Governors |
| Paul LaMarche | Former Treasurer-Board of Governors |
| Steven Semenuk | Treasurer-board of Governors |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Deluxe Delivery Systems Inc | Delivery Service | 729 9th Floor, New York, NY 10019 | $299,269 |
| HTC Global Services Inc | Maintenance and Support | 3855 Solutions Center, Chicago, IL 60677 | $197,512 |
| Mid-Atlantic Service 360 INC | Equipment Maintenance | 1550 Rike Drive, Millstone, NJ 08535 | $193,145 |
| Line Item | Amount |
|---|---|
| Other Expenses | $7,535,736 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Salaries, Compensation, and Employee Benefits | $0 |
| Total Fundraising Expense | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Depreciation Depletion | $2,605,389 | - | - | $2,605,389 |
| Occupancy | $730,178 | - | - | $730,178 |
| Other Expenses | $638,630 | $373,838 | - | $373,838 |
| Office Expenses | - | $206,319 | - | $206,319 |
| Insurance | $156,416 | - | - | $156,416 |
| Fees for Services Legal | - | $2,597 | - | $2,597 |
| Total Functional Expenses | $6,952,982 | $582,754 | $0 | $7,535,736 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Line Item | Beginning | End | Change |
|---|---|---|---|
| Loans from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
| Receivables from Disqualified Persons | $0 | $0 | → $0 |
| Receivables from Officers, Directors, Trustees, and Key Employees | $0 | $0 | → $0 |
“Ann Thornton, Columbia University, 535 West 114 St., New York, NY 10027 Soulaymane Kachani, Columbia University, 535 West 114 St., New York, NY 10027 Brent Reidy, The New York Public Library, Fifth Ave. and 42nd St., New York, NY 10018 Dana Sunshine, The New York Public Library, Fifth Ave. and 42nd St., New York, NY 10018 Margaret Newell, President and Fellows of Harvard College, 1033 MASSACHUSETTS AVENUE, 3RD FL, CAMBRIDGE, MA 02138 Martha Whitehead, President and Fellows of Harvard College, 1033 MASSACHUSETTS AVENUE, 3RD FL, CAMBRIDGE, MA 02138”
“The Form 990 is prepared and reviewed by The Trustees of Princeton University's Office of Finance and Treasury. Prior to filing the tax return, a copy of the complete Form 990 is electronically sent to each member of the governing body allowing time for additional review.”
“The organization complies with all public disclosure laws. All public information is available upon request.”
“The officers and Board of Governors of The Research Collections and Preservation Consortium are employed by The Trustees of Princeton University, The New York Public Library, The Trustees of Columbia University, and President and Fellows of Harvard College, related organizations. Average hours worked by these individuals are primarily devoted to the related organizations which they represent.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 0 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 170000 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 708838 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The primary exempt purpose of the organization is to develop and operate a library depository which will serve the educational and charitable purposes of the benefitted institutions. |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | Kenneth Molinaro Princeton University |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6092583080 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 701 Carnegie Center Suite 445 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Princeton |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NJ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 08540 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 0 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/ConflictOfInterestPolicyInd | 0 | false |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 299269 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 197512 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 193145 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 729 9th Floor |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 3855 Solutions Center |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 1550 Rike Drive |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | New York |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Chicago |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | Millstone |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | NJ |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 10019 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 60677 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 08535 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | Deluxe Delivery Systems Inc |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | HTC Global Services Inc |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | Mid-Atlantic Service 360 INC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Delivery Service |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Maintenance and Support |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | Equipment Maintenance |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 13670204 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 7535736 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 6134468 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 0 |
| IRS990/CYTotalExpensesAmt | 0 | 7535736 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 13670204 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 2605389 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 2605389 |
| IRS990/Desc | 0 | STORAGE AND RETRIEVAL CENTER FOR LIBRARY BOOKS. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 6952982 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 2597 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 2597 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 0.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/FormerOfcrDirectorTrusteeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 77084 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 39118 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 77299 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 27204 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 65260 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 54858 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 66331 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 90165 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 47858 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 81690 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Ann Thornton |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Steven Semenuk |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Anne Jarvis |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Brent Reidy |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Dana Sunshine |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Margaret Newell |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Martha Whitehead |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Soulaymane Kachani |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Paul LaMarche |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Troy Eggers |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 430495 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 229616 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 442349 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 445217 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 182320 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 555502 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 436961 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 599317 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 288878 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 597234 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President-Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TREASURER-BOARD OF GOVERNORS |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Former Treasurer-Board of Governors |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Vice President-Board of Governors |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | true |
| IRS990/FormationYr | 0 | 2000 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | true |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 8 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 13670204 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 156416 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 156416 |
| IRS990/InvestmentInJointVentureInd | 0 | false |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 0 |
| IRS990/InvestmentsProgramRelatedGrp/BOYAmt | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 32099225 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 64834283 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 72709456 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 104808681 |
| IRS990/LegalDomicileStateCd | 0 | NJ |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LoansFromOfficersDirectorsGrp/BOYAmt | 0 | 0 |
| IRS990/LoansFromOfficersDirectorsGrp/EOYAmt | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | false |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MiscellaneousRevenueGrp/ExclusionAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 0 |
| IRS990/MiscellaneousRevenueGrp/UnrelatedBusinessRevenueAmt | 0 | 0 |
| IRS990/MissionDesc | 0 | The primary exempt purpose of the organization is to develop and operate a library depository which will serve the educational and charitable purposes of the benefited institutions by enabling them to alleviate a critical shortage of depository facilities for the housing of books, manuscripts, microfilm and other archival materials, and to help preserve their collective library collections. The benefitted organizations are The New York Public Library's Astor, Lenox and Tilden Foundations, The Trustees of Columbia University in the City of New York, President and Fellows of Harvard College, and The Trustees of Princeton University. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 73847247 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 79981715 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 73847247 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 79981715 |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 730178 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 730178 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 206319 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 206319 |
| IRS990/OfficerMailingAddressInd | 0 | true |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 0 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 0 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | Leased Employees |
| IRS990/OtherExpensesGrp/Desc | 1 | Repairs & Maintenance |
| IRS990/OtherExpensesGrp/Desc | 2 | Miscellaneous |
| IRS990/OtherExpensesGrp/Desc | 3 | Administrative Fee |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 373838 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 1691488 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 1130881 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 638630 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 1691488 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 1130881 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 638630 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 373838 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 0 |
| IRS990/OtherRevenueTotalAmt | 0 | 0 |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 10690 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 991 |
| IRS990/PrincipalOfcrBusinessName/BusinessNameLine1Txt | 0 | Ann Thornton |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYContributionsGrantsAmt | 0 | 22478827 |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PYOtherExpensesAmt | 0 | 7099717 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 15379110 |
| IRS990/PYTotalExpensesAmt | 0 | 7099717 |
| IRS990/PYTotalRevenueAmt | 0 | 22478827 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/BOYAmt | 0 | 0 |
| IRS990/RcvblFromDisqualifiedPrsnGrp/EOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/BOYAmt | 0 | 0 |
| IRS990/ReceivablesFromOfficersEtcGrp/EOYAmt | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 6134468 |
| IRS990/RelatedEntityInd | 0 | true |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/RelatedOrganizationsAmt | 0 | 13670204 |
| IRS990/RentalIncomeOrLossGrp/PersonalAmt | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | true |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 8832274 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 6562430 |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/Contribution35ControlledInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionControllerInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ContributionFamilyInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ControlledDisqualifiedPrsnInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnControllIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/DisqualifiedPrsnOwnrIntInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ExcessBusinessHoldingsRulesInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/ListedByNameGoverningDocInd | 0 | true |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/LoanDisqualifiedPersonInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/OrganizationChangeSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/PaymentSubstantialContribtrInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgNotOrganizedUSInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportedOrgSectionC456Ind | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SupportNonSupportedOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchASupportingOrgGrp/SuprtOrgNoIRSDeterminationInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/OperateBenefitNonSuprtOrgInd | 0 | false |
| IRS990ScheduleA/Form990SchAType1SuprtOrgGrp/PowerAppointMajorityDirTrstInd | 0 | true |
| IRS990ScheduleA/OtherSupportSumAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrganizationsCnt | 0 | 4 |
| IRS990ScheduleA/SupportedOrganizationsTotalCnt | 0 | 4 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 0 | 210634501 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 1 | 135598093 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 2 | 131887440 |
| IRS990ScheduleA/SupportedOrgInformationGrp/EIN | 3 | 042103580 |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 0 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 1 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 2 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/GoverningDocumentListedInd | 3 | true |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 0 | 2 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 1 | 2 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 2 | 7 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OrganizationTypeCd | 3 | 2 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 1 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 2 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/OtherSupportAmt | 3 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 0 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 1 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 2 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportAmt | 3 | 0 |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 0 | The Trustees of Princeton UniversitY |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 1 | The Trustees of Columbia University |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 2 | The New York Public Library |
| IRS990ScheduleA/SupportedOrgInformationGrp/SupportedOrganizationName/BusinessNameLine1Txt | 3 | President and Fellows of Harvard College |
| IRS990ScheduleA/SupportingOrganization509a3Ind | 0 | X |
| IRS990ScheduleA/SupportingOrgType1Ind | 0 | X |
| IRS990ScheduleA/SupportSumAmt | 0 | 0 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | true |
| IRS990ScheduleD/BuildingsGrp/BookValueAmt | 0 | 67688303 |
| IRS990ScheduleD/BuildingsGrp/DepreciationAmt | 0 | 29470933 |
| IRS990ScheduleD/BuildingsGrp/InvestmentCostOrOtherBasisAmt | 0 | 97159236 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 301208 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 1860791 |
| IRS990ScheduleD/EquipmentGrp/InvestmentCostOrOtherBasisAmt | 0 | 2161999 |
| IRS990ScheduleD/LandGrp/BookValueAmt | 0 | 4391019 |
| IRS990ScheduleD/LandGrp/InvestmentCostOrOtherBasisAmt | 0 | 4391019 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 328926 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 767501 |
| IRS990ScheduleD/OtherLandBuildingsGrp/InvestmentCostOrOtherBasisAmt | 0 | 1096427 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 72709456 |
| IRS990ScheduleJ/AnyNonFixedPaymentsInd | 0 | false |
| IRS990ScheduleJ/CompBasedOnRevenueOfFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsFlngOrgInd | 0 | false |
| IRS990ScheduleJ/CompBsdNetEarnsRltdOrgsInd | 0 | false |
| IRS990ScheduleJ/CompBsdOnRevRelatedOrgsInd | 0 | false |
| IRS990ScheduleJ/EquityBasedCompArrngmInd | 0 | false |
| IRS990ScheduleJ/InitialContractExceptionInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | true |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 2 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 3 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 4 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 5 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 6 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 7 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 8 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BaseCompensationFilingOrgAmt | 9 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 2 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 3 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 4 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 5 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 6 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 7 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 8 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusFilingOrganizationAmount | 9 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 0 | 75000 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 2 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 3 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 4 | 25000 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 5 | 25000 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 6 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 7 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 8 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/BonusRelatedOrganizationsAmt | 9 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 0 | 450062 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 1 | 285249 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 2 | 404629 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 3 | 228682 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 4 | 506275 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 5 | 387038 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 6 | 417121 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 7 | 182184 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 8 | 530050 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompensationBasedOnRltdOrgsAmt | 9 | 422421 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 0 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 1 | 0 |
| IRS990ScheduleJ/RltdOrgOfficerTrstKeyEmplGrp/CompReportPrior990FilingOrgAmt | 2 | 0 |
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