Collection
- Hemlock Society Papers, 1985 - 20121
- Henry Echezabal collection of Centro Asturiano research materials, 1903-2009, Date acquired: 03/00/20091
- Henry Louis and Mart Hill collection, 1943-2000, Date acquired: 09/14/20001
- Herbert Frederick Rothschild papers, 1944-1945, Date acquired: 03/06/20031
- Herbert and Betty Colker papers, 1935-1947, Date accessioned: 2011-01-261
- Herman Stern papers, 1943-1948, Date acquired: 10/14/20031
- Hilbert Levitz transcript, 1939-2003, Date acquired: 08/30/2011, bulk 1939-19691
- Hillsborough Tomorrow records, 1995-20051
- History of FGCU, 1993-20171
- Holocaust and Genocide ephemeral collection, 1934-20111
- Howard Schnellenberger Photographs Collection, 1998-20111
- Hugh M. Coachman, Jr. Collection, 1950-20211
- ISCA: The International Society of Copier Artists Quarterlies, 1982-20031
- Iain Lawrence collection, 1970-20201
- Interim President, Richard Pegnetter, 20071
- International Programs Records, 1974–2005 (with some undated items)1
- Intown Business Women's Club Records, 1981-2003, Date acquired: 08/00/20061
- Irene Riley Hart Collection, Circa 1978-20051
- Isidoro and Aida Vega collection, 1930-01-01-2003-01-011
- J. Paul Hartman Slide Collection, 1605-2006, bulk 1905-19931