Collection
- SACS: Southern Association of Colleges and Schools, 1991-20061
- Sanford Municipal Court Records, 1920-19721
- Seminole Boosters Materials, 2000-20011
- Senator Lee Constantine papers, 1990-20191
- Shridhar K. Sathe Papers, 1980-20191
- Small Craft Advisory Press Records, 2009-2010, Date acquired: 12/16/20101
- 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 King and Paradise Press Collection, 1908-2009, bulk 1967-20091
- Suzanne Wadley Jaworski Rhodenbaugh papers, 1961-2026, Date acquired: 05/01/20171
- Temple Terrace Garden Club, 1947-2015, Date acquired: 00/00/2018, bulk 1980-20101
- The Florida Citrus Mutual Minute Books, 1949-20111
- The Florida Citrus Reporter Collection, 1974-2005, 2009-20151
- The Watermark newspaper, 1994-20121
- The Weekly Challenger photograph collection, bulk 1900-20251
- The Yeti Collection, 2005-2011, Date acquired: 03/23/20111