Collection
- Olga Hanlon family collection, 1940-20141
- Oliver Luther Austin Collection, 1945-2013, Date accessioned: 2013-11-13, bulk 1945-19521
- Orlando Gay Chorus collection, 1990-20181
- Orlando Shakespeare Theater Collection, 1974-2013, bulk 1986-20091
- Otis R. Anthony collection, 1977-2009, 2008-11, bulk 1977-19791
- Paul Wimbish Collection, 1927-20041
- Paul and Leonard Gordy collection, 1946-2012, Date acquired: 07/23/2015, Date accessioned: 2020-06-081
- Peter Belmont Preserve the 'Burg Collection, bulk 1980-20201
- Phillip Spurgeon Collection, 1972-20201
- Phyllis J. Hudson Collection, 1966-20061
- Phyllis Murphy collection, 1981-20051
- Presbyterian Towers Resident Association records of Nigel J. Watson, 1993-20081
- Ramiro Casañas Collection, 1805-20061
- Raymond L. Williams collection, 1945-2020, Date accessioned: 2020-01-211
- Records of the American Society of Criminology, Division on Women and Crime, 1975-20061
- Reubin Askew Papers, 1937-2006, bulk 1969-19891
- Reverend William Lamb Cassadaga artifacts, 1915-2008, Date acquired: 02/20/20031
- Richard and Les Pride collection of monographs, bulk 1980-20161
- Rob Boyte Collection, bulk date unknown1
- Robert & Ingrid MacDonald Collectoon, 1970-20101