Collection
- Hillsborough County, court records, 1833-1923, bulk 1893-18971
- Historical Newspaper Collection, 1792-19451
- Historical Newspapers Collection, bulk 1776-20001
- Historical Papers of Massachusetts and Alabama, 1620-1840, Date acquired: 00/00/1965, bulk 1620-1646, 1804, 18401
- Hollingsworth Papers, 1768-1887, 1916, bulk 1788-18871
- J. Floyd Monk Collection, bulk 1826-19991
- J. Paul Hartman Slide Collection, 1605-2006, bulk 1905-19931
- J.A. Falkner Family records, 1831-1907, Date acquired: 06/01/19671
- Jackson Family papers, 1809-18871
- 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
- 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
- Lawrence G. Abele Collection, 1816-1995, bulk 1960-19891
- 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