Collection
- Share Your Mercury Memories Time Capsule Collection, 1960-20031
- Sheriff Chad Chronister Hillsborough County Sheriff's Office (HCSO) historical collection, 1920-20001
- Shridhar K. Sathe Papers, 1980-20191
- Sidney Rochelson papers, 1933-1992, Date acquired: 10/12/20001
- Sir Leon Radzinowicz Papers, 1938-2003, Date acquired: 07/29/2013, bulk 1940-19651
- Sociedad la Unión Martí-Maceo records, 1853-2000, 19831
- 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
- Steve Whitaker Papers, 1960-20191
- Steven F. Lawson papers, 1972-20131
- Stewart Abbott Fraser transcript, 1941-1946, Date of taped Interview1
- Stickler Family papers, 1933-1945, Date accessioned: 2011-11-111
- Student Government Organizational Records, 1970-2015, Date acquired: 00/00/2016, bulk 1990-20141
- Suchoff-Antokoletz collection of Bartokiana, 1945-2002, Date acquired: 07/25/20011
- Sue Bodishbaugh collection, 1946-2006, Date acquired: 08/29/2006, bulk 1977-19911
- Susan King and Paradise Press Collection, 1908-2009, bulk 1967-20091