Collection
- Lynn Pippenger collection, 1963-20131
- Madison D. Farnum papers, 1944-1946, Date acquired: 04/04/2006, Date accessioned: 2019-12-121
- Mahan collection of American humor and cartoon art, 1813-2005, Date acquired: 00/00/2006, bulk 1928-19651
- Marching Chiefs Digital Records, bulk 1957-20071
- Marvin Dunn Collection, bulk 1843-20091
- Mary Lou Norwood Collection, 1941-20071
- Mary Monroe Theatre Collection, 1973-2016, bulk 1973-19761
- Melodie Moorehead Papers, 1970-20211
- Melvin R. Bielawski Collection, 1930-2008, Date acquired: 05/12/19981
- Michael Hirsh manuscript collection, 1970-2010, Date acquired: 00/00/20101
- Michael Shaara Collection, Circa 1947-19901
- Monte Allen U.S.S. Kwajalein collection, 1944-2009, Date acquired: 2016-08-03, Date accessioned: 2020-05-13, bulk 19451
- Morton Gold Collection, 1924-2012, Date acquired: 00/00/2009, bulk 1970-20121
- Museum of Contemporary Art Jacksonville Collection, 1977-20101
- Nathaniel Glover, Jr. Papers, 1970-20091
- Odette W. Patterson collection, bulk 1914-20101
- Office of the President -- Mr. Frank T. Brogan Photograph Collection, 2003-2009, Date acquired: 01/01/2007, bulk 2003-20091
- Office of the President -- Mr. Frank T. Brogan, 2003-2009, bulk 2003-20041
- Olga Hanlon family collection, 1940-20141
- Oliver Luther Austin Collection, 1945-2013, Date accessioned: 2013-11-13, bulk 1945-19521