Collection
- J. Floyd Monk Collection, bulk 1826-19991
- J. Paul Hartman Slide Collection, 1605-2006, bulk 1905-19931
- Jack B. Moore papers, 1922-1993, Date acquired: 00/00/19751
- Jack Egan Collection, Circa 1909-1960s1
- Jack Wilson collection, 1864-1965, Date acquired: 00/00/1963, bulk 1921-19641
- Jackson County, Clerk of the Circuit Court, Correspondence Files, 1895-1950, Date acquired: 12/20/19821
- Jacksonville, Florida, Historical Newspapers Collection, 1890-20121
- Jaffe Family Archives, 1881-2012, bulk 1940-20121
- James Crooke papers, 1921-1945, Date acquired: 12/15/2005, Date accessioned: 2020-05-22, bulk 19431
- James Feerick papers, 1918-1945, Date acquired: 09/25/2001, bulk 19441
- James T. Griffiths Papers, 1914-2006, bulk 1959-20021
- James Tillinghast Archer Family Papers, 1843-19691
- James Tillinghast Archer Papers (additional gift), 1903-1969, Date acquired: 11/03/19691
- James Tillinghast Archer Papers, 1850-1961, Date acquired: 03/20/19681
- James Velma Keen Papers, 1922-1967, bulk 1955-19671
- James and Joanna Tokley papers, 1920-2010, 2011-101
- Jan Reiner research file, bulk 1909-20101
- Jean Allen Battle Research collection, 1919-1989, Date acquired: 00/00/19921
- Jean Giono Collection, 1924-1962, Date acquired: 02/20/19701
- Jean Trebbi ABC Book Collection, 1852-20091