Collection
- Mental Health Association in New York State, Inc. (MHANYS) Records, 1879-200226
- Pine Hills Fortnightly Club Records, 1898-200324
- The Milne School Records, 1890-200423
- Annual Reports Collection, 1844-200522
- Commencement Programs Collection, 1857-201920
- Melvin Urofsky Papers, 1850-1978, bulk 1870-194017
- Hinsdill Parsons Papers, 1890-191216
- Albany Typographical Union No. 4, Communications Workers of America Records, 1850-198815
- New York Republican State Committee Records, 1888-200115
- Henry S. Manley Papers, 1849-196012
- Socialist Party of The United States of America Dover, New Hampshire Local Records, 1894-192312
- Anna E. Pierce Papers, 1884-198311
- Troy and Rutland Rail Road Company Records, 1814-191911
- Freligh Family Papers, 1773-195510
- Carleton P. Simon Papers, 1881-1952, 19568
- Hudson Valley District Council of Carpenters Records, 1887-19908
- Menands Book Club Records, 1881-20098
- Walter Sorell Papers, Undated8
- Autograph Book Collection, 1857-18907
- Sheet Metal Workers International Association Local 83 Records, 1892-19897