Collection
- Jacksonville, Florida, Historical Newspapers Collection, 1890-20121
- Jacqueline Woodson collection, 2001-2003, 20081
- Jaffe Family Archives, 1881-2012, bulk 1940-20121
- James E. Shepherd Jr. Papers, 1965-20151
- James Elliott Collection, 1960-20101
- James J. Harkins collection, 1970-2016, Date acquired: 00/00/20161
- James Noble Harrell papers, 2000-20071
- James R. Pemberton papers, 1942-2000, Date acquired: 09/27/2001, bulk 1942-19451
- James T. Griffiths Papers, 1914-2006, bulk 1959-20021
- Jan K. Platt papers, 1974-2004, Date acquired: 00/00/19961
- Jan Reiner research file, bulk 1909-20101
- Jane Wittman Van De Bogart collection, 1958-2001, Date acquired: 00/00/2008, bulk 1960-19971
- Janet Covieau Rohlin collection, 1933-2002, Date acquired: 02/13/2018, bulk 1943-19471
- Janet Wells collection, 1943-2001, Date acquired: 03/04/1999, bulk 1943-19461
- Jean Allen Battle Research collection, 1919-1989, Date acquired: 00/00/19921
- Jean Crosby Olsen collection, 1937-2007, Date acquired: 06/19/20121
- Jean Trebbi ABC Book Collection, 1852-20091
- Jim Davis papers, 1988-2007, Date acquired: 11/30/20061
- Joe Knetsch papers, 1992-20081
- Joe Louis Reliford Collection, 1952-20031