Collection
- Clarke Family Papers Collection, 1840-1998, bulk 1841-19161
- Claude Pepper Papers, 1900-19891
- Clement Acton Griscom Papers, 1904, 19401
- Colonel William Morrison Robinson Jr. papers, 1854-19651
- Columbia Restaurant and Gonzmart Family collection, 1903-2005, Date acquired: 00/00/20051
- Commander Melville J. Walters Jr. Operation Deep Freeze III Antarctic research collection, 1901-19881
- Conn, Barbara F., Papers, 1889-1945, Date acquired: 07/25/19961
- Courtland Buckman Papers, 1860-19381
- Creek Indian Project Records, 1817-1981, Date acquired: 06/00/1981, bulk 1950-19811
- Cuban Tree Sample Collection, bulk 1900-20001
- Custance-Douglas correspondence, 1902-19131
- D. Angel Cuesta collection, Acquisition date: 2/13/2007, bulk 1858-19361
- Dana A. Dorsey Collection, 1900-1966, Date acquired: 10/18/19991
- Daniel Family Papers, 1830-1927, Date acquired: 00/00/1984, bulk 1830-18791
- Daniel M. Johnson Collection, 1788-20021
- David Kirby Rare Book Collection, 1861-20161
- David O. True collection, 1450-1992, Date acquired: 06/00/19801
- David Sturrock Manuscript Collection, 1908-1968, bulk 19601
- Degen Playbill Collection, 1895-20231
- Delphin and Violet Llaneza collection, 1904-19601