Collection
- Geoffrey Parsons papers, 1919-19591
- Georgii Aleksandrovich Teslavskii Papers, 1860-19681
- Gerald Sykes papers, 1921-19841
- Goddard-Riverside Community Center records, 1854-19941
- Grosvenor Neighborhood House records, 1913-1990s, 2013-20181
- Guastavino Fireproof Construction Company architectural records, 1866-1985, bulk 1890-19421
- Hamilton family papers, 1768-19301
- Henry Beetle Hough papers, 1841-19941
- Hodder and Stoughton records, 1875-19141
- Hudson Guild records, 1896-1990s1
- Indian Princely States records, 1890-19601
- Institute of Pacific Relations records, 1927-19621
- International Institute of Rural Reconstruction records, 1914-20181
- Ivan Pavlovich Romanovskii Papers, 1884-19701
- Jacques Barzun papers, 1900-19991
- James Stillman papers, 1830-19551
- Joseph Marcu papers, 1938-19491
- La Guardia Memorial House records, 1899-19931
- Lawrence A. Wien papers, 1954-19821
- League of Women Voters of New York State records, 1912-19811