Collection
- Charles Crampton papers, 1943-2006, Date acquired: 01/23/20061
- Charles E. Perry Papers and Ephemera, 1968-19991
- Charles F. Pfeifer collection, 1944-2016, Date acquired: 06/30/20171
- Charles F. Silzer collection, 1941-2019, Date accessioned: 2019-11-05, bulk 1944-19451
- Charles H. Turner Collection, 1937-19951
- Charles Julian Fussell Collection, 1950-20001
- Charles P. Campbell papers, 1945-1997, Date acquired: 07/26/2002, bulk 19451
- Charles Sheffield papers, 1977-20021
- Charles W. Arnade papers, 1957-2006, Date acquired: 00/00/20061
- Charna Larkin World's Fair Collection, 1849 - 1993, bulk 1893 - 19641
- Christopher M. Still collection, 1978-2007, Date acquired: 09/05/2006, bulk 1978-20071
- Church of Jesus Christ of Latter Day Saints Records, 1978-2005, Date acquired: 06/00/20061
- Citizens Bancorp of Oviedo Inc. Oviedo History collection, 1936-20191
- Citizens Bancorp of Oviedo Inc. records, 1946-20201
- Citrus Park Colored School collection, 1921-1996, 1996-11-201
- Clarke Family Papers Collection, 1840-1998, bulk 1841-19161
- Clarke M. Brandt collection, 1939-2003, Date acquired: 10/29/2002, bulk 19431
- Claude Pepper Papers, 1900-19891
- Clinton Mack Jr. Collection, Circa 1920-1960, 19981
- Colegio del Apostolado, bulk 1935-20221