- Arena Stage records, 1949/20101
- C-SPAN records, 1809/2012, bulk 1978/20121
- Charles A. Veatch papers, 1970/20041
- Dulles Corridor Rail Association records, 1985/20111
- Edith McChesney Ker papers, 1948/20031
- George Mason University Audiovisual collection, 1950/2005, bulk 1980/19901
- George Mason University Center for the Study of Constitutional Rights records, 1955/19921
- James M. Buchanan papers, 1800/20141
- Jerry Clapsaddle papers, 1981/20051
- Jonathan Gifford transportation collection, 1919/19991
- Robert E. Simon, Jr. papers, 1960/20061
- Roger Wilkins papers, 1928/20081
- Vassily Aksyonov papers, 1980/20041
- Warner Cable Reston videotape collection, 1971/19971