Collection
- Raymond O. Arsenault collection, bulk 1880-200115
- Niara Sudarkasa Collection, 1934-200614
- Henry Nehrling Papers, 1886-197013
- Joy Postle papers, 1910-201513
- National Audubon Society Warden Reports and Property records, 1893-198213
- Sanibel Island Collection, 1574-199813
- Anthony Kozla Collection, Circa 1930-195012
- IMC Agrico Phosphate Company collection, 1890-1960, Date acquired: 09/18/199511
- Love-Thornell Collection of Black American Photographs, Circa 1850-195011
- Richard H. Mette Collection, 1826-200711
- Armwood Family papers, 1866-199110
- Frost Family Collection, Circa 1885-200910
- Hasterlik-Hine collection, 1700-2000, Date accessioned: 2019-12-0410
- Maks Dikarev Naval Cover Collection, 1927-1941, 1954-198210
- Turner Railroad Collection, 1809-200710
- Cienfuegos Collection, 1819-19919
- Willie Lowry papers, 1873-19469
- General Map collection, 1800 - 2023, bulk 1800-20238
- Sanford Municipal Court Records, 1920-19728
- The Marie Stiefel Laura Riding Jackson collection, 1925-20248