Collection
- Serge Prokofiev Archive, 1917-201242
- V. K. Wellington Koo papers, 1906-1992, bulk 1931-196642
- New York City Opera records, 1924-2019, bulk 1965-199140
- Pare Lorentz papers, 1914-1994, bulk 1932-196039
- Amnesty International of the USA Inc : National Office records, 1966-2003, bulk 1974-199338
- David Hamburg papers, 1949-200337
- Charles Saxon papers, 1940-198936
- Carnegie Foundation for the Advancement of Teaching Records, 1905-197935
- Community Service Society records, 1842-199535
- Lucie Brock-Broido Papers, 1965-2017, bulk 1981-201335
- Mark Popovskii papers, 1980-198635
- Wilfred Feinberg Papers, 1936-2011, bulk 1960-201135
- Brander Matthews Dramatic Museum realia, 1700-196634
- United Nations Relief and Rehabilitation Administration records, 1943-194934
- John B. Oakes papers, 1912-200533
- Shirley Hazzard papers, 1920s-201633
- Joseph L. Blau papers, 1912-198731
- Sid Ramin papers, circa 1957-2009, bulk 1957-199531
- Leopold Haimson Papers, 1890s-199930
- David A. Paterson papers, 2005-201129