Collection
- C. W. "Bill" Young papers, 1953-2013, Date acquired: 04/16/2014, bulk 1960-20131
- City of St. Petersburg Comprehensive Plan Working Files, 1981-19861
- Donald Saxer Maritime Service collection, 1937-20021
- Earl Weir Floridiana collection, second accession, bulk 1914-20141
- Ernest Ayer Ponder collection, 1895-19941
- Harrison W. Fox Real Estate collection, 1946-19871
- Jan Reiner research file, bulk 1909-20101
- Odette W. Patterson collection, bulk 1914-20101
- Parsons collection of Peter Demens and the two St. Petersburgs (Florida and Russia), bulk 1890-20051
- Raymond O. Arsenault collection, bulk 1880-20011
- The Amity House Papers of Ruth Adlard MacLennan Uphaus, 1938-19871
- The League of Women Voters of the St. Petersburg area pamphlet collection, 1965-20001