Memos, letters, and documents related to budgeting and expenses of maintaining Philharmonic Hall and renovations 1963-69; Information about the Lincoln Center credit card system; Study by Lincoln Center for the Performing Arts on the feasibility of IBM data processing equipment; Statement of income and expenses of the New York Philharmonic for the fiscal years 1964-65 and 1965-66; Statement of deficit from the 1967 Lincoln Center Festival, as revised Dec 28, 1966; Minutes from the Re-Allocation of Central Mechanical Plant Costs Meeting on Aug 28, 1967; LS-Amyas Ames; LS Henry E. Bessire; LS-Paul J. Doto; LS-Helen Franklin; LS-Philip V. Giuca; LS-Joseph H. Salyers; LS-Maynard Steiner; LS-Arno Zeyn