Collection
- Leonard Kastle Papers, 1940-1996582
- New York Coalition for Alternatives to Pesticides Records, 1908-2002, bulk 1988-1995578
- Michelle Crone Papers, 1927-2000, bulk 1982-1995515
- Rhoda Fox Graves Papers, 1906-1948510
- Hans Staudinger Papers, 1928-1980504
- Arnold Brecht Papers, 1865-1974481
- Financial Secretary Records, 1844-1965478
- Augustus Bennet Papers, 1935-1948476
- Duncan Blanchard Papers, 1789-2003475
- Greta Hartwig Manschinger and Kurt Manschinger (Ashley Vernon) Papers, 1896-1986474
- Oskar Maria Graf Papers, 1891-1967453
- E. Ogden Bush Papers, 1884, 1958-1965437
- Erich von Kahler Papers, 1905-1977427
- General Reference Collection, 1828-2015406
- The Milne School Records, 1890-2004395
- John R. Dunne Papers, 1943-1970380
- Hans Natonek Papers, 1918-1964376
- Frank C. Moore Papers, 1881-1978375
- Bernard Vonnegut Papers, 1828-1997370
- John M. Spalek Papers, 1933-2010359