Collection
- J.A. Falkner Family records, 1831-1907, Date acquired: 06/01/19671
- James Tillinghast Archer Family Papers, 1843-19691
- James Tillinghast Archer Papers, 1850-1961, Date acquired: 03/20/19681
- Jean Trebbi ABC Book Collection, 1852-20091
- John Forbes journal and letter by Dr. Coker, 1803-1977, Date acquired: 09/12/1977, bulk 1803, 19771
- John H. Parker, 1812 - 1947, Date accessioned: 2019-10-16, Date acquired: 1998-06-181
- John MacKay Shaw Collection, 1737-20071
- John T. Dizer papers, 1853-2007, Date acquired: 00/00/20071
- Johnson, Thomas A., Papers, 1800-1945, Date acquired: 10/00/19671
- Judith and Warren Kaplan Collection, Women's and Gender Studies, 1792-2016, bulk 1900-20001
- Julián Peláez del Pozo Papers, 1821-18861
- Justice Glenn Terrell Papers, 1775-1985, Date acquired: 12/00/1992, bulk 1920-19701
- Ladd journal and papers, 1848-1887, Date acquired: 07/13/19651
- Lawrence G. Abele Collection, 1816-1995, bulk 1960-19891
- Leo Clark Collection, 1841-19211
- Lesley family papers, 1700-1950, bulk 1850-19501
- Letters and Documents Pertaining to Land and Land Grants in the Tallahassee Area, 1825-18571
- Levi Marrero Collection, bulk date unknown1
- Lewis Bank papers, 1854-1957, Date acquired: 03/10/1966, bulk 1871-19251
- Lieutenant Benson's Survey- Lake Okechobee and rivers and lakes north of it, June 7, 1855, Date acquired: 04/22/19541