- American Shakespeare Center Collection, 1987, bulk 1987/19951
- Ann Buckles Papers, 1950/20081
- Arena Stage records, 1949/20101
- C-SPAN records, 1809/2012, bulk 1978/20121
- Charles A. Veatch papers, 1970/20041
- Department of English records, 1922/20131
- Dulles Corridor Rail Association records, 1985/20111
- Edith McChesney Ker papers, 1948/20031
- Fred Frechette Papers, 1930/2000, bulk 1950/20001
- George Mason University Audiovisual collection, 1950/2005, bulk 1980/19901
- George Mason University Center for the Study of Constitutional Rights records, 1955/19921
- Glenn Close Papers, 1966/2013, bulk 1980/19951
- James H. Critchfield Papers, 1941/20031
- James M. Buchanan papers, 1800/20141
- Jerry Clapsaddle papers, 1981/20051