Collection
- 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
- Josiah Brown Letters Collection, bulk 1861-18871
- 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
- King-Joyner Family Papers, 1867-1951, Date acquired: 00/00/19931
- Ladd journal and papers, 1848-1887, Date acquired: 07/13/19651
- Latin American ephemeral publications collection, 1861-20091
- Lawrence G. Abele Collection, 1816-1995, bulk 1960-19891
- Leigh Papers, 1868-1916, Date acquired: 09/00/19801
- Leo Clark Collection, 1841-19211
- Levi Marrero Collection, bulk date unknown1
- Lewis Bank papers, 1854-1957, Date acquired: 03/10/1966, bulk 1871-19251
- Lewis S. Moore Collection, 1862-19311
- Lois Deicke Rare Tropical Fruits and Vegetables Book Collection, 1811-19841
- Louise Richardson family letters, 1846-18781
- Love-Scarborough Papers, 1835-1936, Date acquired: 05/25/19591
- Loy Glenn Westfall Cigar Industry Research collection, 1860-1982, Date acquired: 00/00/20151