Collection
- John William Osterweil Collection of Tampa Cigar Box Labels, 1900-1950, Date acquired: 03/01/19841
- John and Margaret Leboucher papers, 1922-1946, Date acquired: 03/01/2000, bulk 19451
- Johnson, Thomas A., Papers, 1800-1945, Date acquired: 10/00/19671
- Jonas and Edna Kamlet / Kamlet Laboratories records, 1913-1989, Date acquired: 00/00/20061
- Joseph Fleischmann World War I Medal Collection, 1916-1942, bulk 19191
- Joseph Jennings transcript, 1922-2008, Date acquired: 12/07/2001, bulk 1941-19451
- Joseph L. Wheeler Papers, 1914-19691
- José Luis Avellanal collection, 1907-19811
- José Ramón Avellanal collection, 1869-19271
- Judge L. Clayton Nance Family Collection, Circa 1924-19761
- Judith and Warren Kaplan Collection, Women's and Gender Studies, 1792-2016, bulk 1900-20001
- Julia Grillion papers, 1878-1938, Date acquired: 00/00/19851
- Julia Linebaugh King papers, 1890-19801
- Justice Glenn Terrell Papers, 1775-1985, Date acquired: 12/00/1992, bulk 1920-19701
- Katherine Moore Morse Collection, 1891 - 2007, bulk 1943 - 19471
- Kathleen Hardee Arsenault literature research collection, 1877-19981
- Kay von Schmidt collection, 1916-19891
- Kennedy Collection, 1914-20111
- Kennedy Drawbridge historical documentation survey records, 1916-1993, bulk 19931
- King-Joyner Family Papers, 1867-1951, Date acquired: 00/00/19931