Consists of disbursement vouchers, invoices, letters, and memorandums regarding the Uris Brothers Foundation's operations. Most of the documents concern requests for payment of contributions, correspondence with organizations regarding donations, and other related paperwork. There are also invoices for administrative costs including supplies and professional services.

Monthly statements of the Uris Brothers Foundation's financial performance during the fiscal year. The statements record investment income, pledges, disbursements, valuation of assets, and other uses of the Foundation's funds. Also included are calculations used to prepare the statements and comparison to previous fiscal year's performance.

Consists of checkbook stubs from for Uris Brothers Foundation's bank accounts at Chemical Bank, Irving Trust Company, and Bank of New York. The stubs include check number, date of the check, payee, amount, voided checks, and account balance. Most of the checks were written for contributions made by the foundation.

The ledger contains information about the stocks and bonds held in Irving Trust Company custody accounts for the Uris Brothers Foundation. It documents the date due, percentage assigned, and value of the stocks, bonds, and U.S. treasury notes.

Correspondence, publications, proposals, contracts, insurance papers, and other materials for numerous corporate entities and the issues affecting their operation of several Uris properties. The correspondence and agreements with insurance companies, professional organizations, Con Edison, service industry, management companies, unions, and government agencies show the costs involved in operating these rental properties. There are several files on compliance with New York City, New York State, and Federal building regulations on asbestos, fire safety, emergency lighting, employees, exterior walls, and heating and cooling. Also included are bulletins, statistics, pamphlets reports, and other information about electric rates, labor costs, legal matters, and rental fees. Besides these documents, the series has employee directories, blank forms, insurance papers, old tenant lists, schedules, and miscellaneous materials used by Uris employees. Furthermore, there are records on the renovations of 380 Madison Avenue and 300 Park Avenue by Skidmore, Owings & Merrill.

Bound volumes with daily entries of visitors to office building tenants. The specific property using these books could not be identified.

Memorandums, employee applications, medical insurance papers, and tax withholding forms concerning Uris employees. The interoffice memos discuss payroll, raises, Christmas bonuses, vacations, sick leave, and related issues. In the employee applications, there are blank forms, resumes, and cover letters.

Consists of bills paid for expenses incurred by Percy and Joanne Uris. These records detail residential expenditures for utilities, cleaning, groceries, landscaping, rubbish, pool maintenance, interior design, furnishings, laundry, repairs, utilities, books, flowers, and automobiles. There are also records about the Urises' leisure activities, country club and association dues, medical expenses, jewelry, clothes, and commissions on stock sales. Also included are Columbia University contributions and sporadic business related purchases.

Comprised of the tax returns, supporting documentation, correspondence, legal documents, and other records related to Percy Uris's taxes. There are state and federal income tax returns from 1930 to 1971 for Percy as well as Joanne Uris. Often accompanying these returns are forms, balance sheets, deduction records, accounting work sheets, income statements, payment vouchers, extension filings, and estimated tax calculations. The correspondence with the New York State Department of Taxation and Finance, State Tax Commission, Internal Revenue Service, and accountants explains audits, assessment of taxes, adjustments, and tax disputes. Legal documents including affidavits, hearing dates and requests, court proceedings, court opinions, and other papers further detail the tax disputes.