Collection
- Ronald Morgan papers, 1944-1946, Date acquired: 10/02/20011
- Rose Feinman Papers, 1938-20021
- Roy M. Holt papers, 1921-1947, Date acquired: 03/20/2001, bulk 1941-19461
- Rural Protective Association, Inc., papers, 1970-20021
- Sam Lamar Collection, 1938-2005, bulk Mid- to late-1940s1
- Sanford Municipal Court Records, 1920-19721
- Seminole Boosters Materials, 2000-20011
- Senator Lee Constantine papers, 1990-20191
- Severo Sarduy Collection, bulk Date acquired: 09/28/20151
- Share Your Mercury Memories Time Capsule Collection, 1960-20031
- Sheridan S. Winkelman papers, 1941-1945, Date acquired: 2001-09-24, Date accessioned: 2020-04-071
- Shridhar K. Sathe Papers, 1980-20191
- Sir Leon Radzinowicz Papers, 1938-2003, Date acquired: 07/29/2013, bulk 1940-19651
- Southern Association of Colleges and Schools, Commission on Colleges (SACS-COC), application files, 2001-20071
- Southwest Florida Newspaper Collection, bulk 1920-20181
- Sports Club of Tampa Bay collection, 1962-2007, Date acquired: 00/00/20071
- Stanley H. Davis papers, 1925-2000, Date acquired: 02/23/2001, bulk 1939-19461
- Stephen Danks Lodwick Collection, 1964-20021
- Stephen S. Winters Papers, 1942-20051
- Stetson Kennedy collection, 1940-2002, Date acquired: 00/00/2001, bulk 1992-20021