Collection
- Claude Kenneson Collection, 1990-20101
- Claude Kirk Letter, 1968-03-181
- Claude Pepper Papers, 1900-19891
- Clearwater American Association of University Women Records, 1960-20151
- Clement Acton Griscom Papers, 1904, 19401
- Clemente, Dorothy, Papers, 1939-1972, Date acquired: 06/00/19811
- Cleo Rainwater Papers, 1949-19621
- Clifford Brooks Shirley collection, 1943-1948, Date accessioned: 2019-10-141
- Clifford Kenneth Dodd collection, 1939-1946, Date accessioned: 2019-06-051
- Clifford Prince papers, 1944-1969, Date accessioned: 2019-05-231
- Clifford Robert Cain papers, 1942-1946, Date acquired: 11/12/2014, Date accessioned: 2020-05-25, bulk 19451
- Clifton Paisley Collection, 1915-1968, Date acquired: 01/01/19691
- Clinton Mack Jr. Collection, Circa 1920-1960, 19981
- Club Downunder Poster Collection, 2000-20141
- Club Downunder, 1980-20221
- Clyde Brown Collection, Circa 1915-19491
- Clyde Campbell Beaver collection, 1941-1990, Date acquired: 02/16/2017, Date accessioned: 2017-05-231
- Coe's Sundries Interior, Parramore Avenue photograph, 19471
- Coker, William S., Papers, Date acquired: 11/00/19921
- Col. Bayard F. Floyd Papers, 1910-1949, 1910-19491