Collection
- Robin Ronne papers, 1999-2010, Acquired1
- Sanford Municipal Court Records, 1920-19721
- Seminole Boosters Materials, 2000-20011
- Senator Lee Constantine papers, 1990-20191
- Shridhar K. Sathe Papers, 1980-20191
- Sonia Visser manuscript, 2008, Date acquired: 2008-02-18, Date accessioned: 2009-08-23, bulk 1943-19451
- Southwest Florida Newspaper Collection, bulk 1920-20181
- St. Pete Pride collection, 2003-2014, Date acquired: 02/00/20141
- Steve Whitaker Papers, 1960-20191
- Steven F. Lawson papers, 1972-20131
- Stickler Family papers, 1933-1945, Date accessioned: 2011-11-111
- Student Government Organizational Records, 1970-2015, Date acquired: 00/00/2016, bulk 1990-20141
- Susan Gore collection, Date acquired: 00/00/20161
- Susan King and Paradise Press Collection, 1908-2009, bulk 1967-20091
- Suzanne Wadley Jaworski Rhodenbaugh papers, 1961-2026, Date acquired: 05/01/20171
- Tampa Union Station records, 1912-19731
- Temple Terrace Beacon newspaper collection, 1978-20081
- Temple Terrace Garden Club, 1947-2015, Date acquired: 00/00/2018, bulk 1980-20101
- The Florida Citrus Mutual Minute Books, 1949-20111
- The Watermark newspaper, 1994-20121