Collection
- Hampton Dunn collection, 1916-2002, Date acquired: 00/00/1981, bulk 1960-20021
- Hardy Family Collection, Circa 1906-19941
- Harold E. Watson collection, 1929-2013, Date acquired: 12/05/20131
- Harold L. Glasser Collection, 1918-2007, Date acquired: 01/06/20111
- Harrison Sayre Circus Collection, 1863-2001, Date acquired: 00/00/2010, bulk 1949-19941
- Haskins Family Label Collection, 1920-19591
- Hassia Yehuda Print Sheet Music Collection, 1916-1968, bulk 1916-19681
- Haya papers, 1874-19351
- Helen B. Strzelczyk papers, June 1943-November 1945, Date accessioned: 2020-01-131
- Helen Ferris Port Everglades Collection, 1920-2001, bulk 1961-19971
- Helene Steer-Saxby papers, 1906-1927, Date acquired: 00/00/19871
- Hemmer and Yates Business Imprints, 1885-1946, Date acquired: 00/00/19801
- Henry Echezabal collection of Centro Asturiano research materials, 1903-2009, Date acquired: 03/00/20091
- Herbert S. Phillips papers, 1870-1962, Date acquired: 00/00/19631
- Herbert and Betty Colker papers, 1935-1947, Date accessioned: 2011-01-261
- Herman J. Brames administrative files of the USF St. Petersburg Office of the Director/Associate Vice President Administration and Finance Records, 1913-19991
- Herman and Ida Herst Collection, 1690-19951
- Hester family collection, 1854-1987, Date acquired: 00/00/19951
- Hillsborough County Federation of Women's Clubs records, 1919-19791
- Hillsborough County, court records, 1833-1923, bulk 1893-18971