Collection
- St. Augustine, Florida Records, 1883-1959, bulk 1930-19401
- St. John's Cemetery Company (Pensacola) Records, 1892-1985, Date acquired: 09/17/19851
- St. Mary's Episcopal Church Collection, 1868-1954, Date acquired: 10/00/19821
- St. Michael's Creole Benevolent Association Records, 1878-1961, Date acquired: 00/00/19941
- Stephen Graham Papers, 1908-19751
- Sumter Lowry Currency collection, 1851-1942, bulk 1851-18611
- Susan Bradford Eppes Papers, 1850-19491
- Suzanne Davis Hardee collection of Floridiana monographs, 1885-19991
- Sy Canton Collection, 1884-1975, bulk 1916-19491
- Sybil Weiner Sheet Music Collection, 1895-19661
- Sydney V. Coxetter Agriculture Collection, 1872-1947, bulk 1910-19301
- Tampa Audubon Society Slide collection, 1900-2005, Date acquired: 01/01/2015, bulk 1960-20051
- Test Hyams, 1800-22001
- The Drapkin collection, 1903-19691
- The Florida Randolphs, 1829-19781
- The Maurice Givens Papers, 1885-1969, Date acquired: 10/00/1974, bulk 1918-19421
- The Thomas and Georgine Mickler Map Collection, 1735-19951
- The Weekly Challenger photograph collection, bulk 1900-20251
- Theater and Music programs and ephemera collection, 1876-1958, bulk 1925-19401
- Theodore Pratt Collection, 1901-20251