Collection
- Oglesby Collection of 18th and 19th Century Papers, 1766-1850, Date acquired: 01/01/19611
- Olin Norwood Collection, 1621-1945, Date acquired: 03/28/19561
- Opera, Oratorio, and Musical Theatre Libretti Collection, 1804-19601
- Panton Leslie and Company Collection, 1739-1847, Date acquired: 00/00/19871
- Patterson Family papers, 1752-19021
- Paul A.M. Dirac Papers, 1788-19991
- Pintado, Vicente Sebastian, Papers, 1781-1842, Date acquired: 00/00/19861
- Polk, James K., Papers, 1820-1860, Date acquired: 11/00/19851
- Presidential signatures and ephemera collection of Parker and Joane Miller, 1790-19561
- Proctor and Martha Jones Collection on Napoleon, Date acquired: 01/01/19991
- Ramiro Casañas Collection, 1805-20061
- Red Hills of Florida Collection, 1820-19941
- Report on a Spanish Land Claim for the heirs of John Brown, 1806-1842, bulk February 9, 18421
- Richardson, Creel, Collection, 1814-1877, Date acquired: 00/00/19831
- Ruby Diamond collection, 1773-19811
- Sadoff Collection of Cashbooks and Banking Records, 1805 - 19721
- Sanibel Island Collection, 1574-19981
- Slavery Papers, 1822-1848, Date acquired: 10/01/19561
- Slaves or Slavery in Pensacola Newspapers, 1821-1863, 1821-1863, Date acquired: 09/00/20141
- Smith Family papers, 1782-1864, Date acquired: 04/24/19561