Collection
- Bernard Vonnegut Papers, 1828-19971
- Bill Pelke Papers, 1965-2007, Undated1
- Bill and Andy Spence Papers, 1960-20221
- Bridge Line Historical Society Collection, 1870-20241
- Campus Construction Collection, 1951-19871
- Capital Defender Office Records, 1975-2007, bulk 1995-20071
- Capital District Coalition Against Apartheid and Racism Records, 1981-19951
- Capital District Regional Planning Commission Records, 1934-20131
- Capital Punishment Clemency Petitions Collection, 1981-20201
- Carl Misch Papers, 1941-19631
- Carleton P. Simon Papers, 1881-1952, 19561
- Caroline Smith Page Family Papers, 1867-19051
- Center for International Education and Global Strategy Records, 1941 - 2017 May 171
- Center for Technology and Government, 1994-20131
- Center for Women in Government & Civil Society Records, 1976-20031
- Citizens Budget Commission Records, 1931-19991
- Citizens' Environmental Coalition Records, 1973-20051
- City of Newburgh Urban Renewal Collection, 1935-20001
- Civil Service Employees Association, Inc. (CSEA), American Federation of State, County, and Municipal Employees (AFSCME) Local 1000 Records, 1918-20151
- College of Engineering and Applied Sciences Records, 2000-20151