Collection
- Panton Leslie and Company Collection, 1739-1847, Date acquired: 00/00/19871
- Patterson Family papers, 1752-19021
- Paul A.M. Dirac Papers, 1788-19991
- Pensacola Letters, 1825-1852, Date acquired: 03/00/19911
- Pine Hill Plantation Papers, 1832-1926, Date acquired: 07/31/19651
- Polk, James K., Papers, 1820-1860, Date acquired: 11/00/19851
- Port St. Joe Centennial Medal and Florida Centennial envelope and stamps, 1838-1945, Date acquired: 01/04/19391
- President William McKinley scrapbooks, 1843-19011
- 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
- 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 Families of Virginia Letters, 1831-19421
- Smith Family papers, 1782-1864, Date acquired: 04/24/19561