Collection
- Cinema Corporation of America Collection, 1925-1981, bulk 1925-19321
- Cinema Promotional Materials, 1957-1976, Date acquired: 08/01/19761
- Circuit Judge Hugh M. Taylor papers, 1948-1972, bulk 1960-19691
- Circus Collection, 1794-1980, Date acquired: 11/02/20121
- Citizen's Advisory Committee, Inc., Records, 1989-1991, Date acquired: 04/00/19931
- Citizens Bancorp of Oviedo Inc. Oviedo History collection, 1936-20191
- Citizens Bancorp of Oviedo Inc. records, 1946-20201
- Citizens Mutual Insurance Account Books, 1866-18851
- Citrus Park Colored School collection, 1921-1996, 1996-11-201
- Citrus Processors Meeting Records, 1951-1963, 19771
- City of Brandon collection, 1848-20051
- City of St. Petersburg Comprehensive Plan Working Files, 1981-19861
- Civil Rights Institute Slavery Remembrance Materials, 20191
- Civil Rights Movement in Florida Conference collection, 20041
- Civil Rights Papers of Cody Fowler and Steven Lawson, 1888-1974, bulk 1960-19741
- Civil Rights and Broward Junior College (1960–1964), 1960-19641
- Civil War Map Collection, [1891-1895]1
- Civil War Papers - Various Locations, 1861-1864, Date acquired: 09/23/19641
- Civil War broadside, bulk January 28, 18631
- Civil War papers of East Florida, 1856-1864, Date acquired: 00/00/19611