- Abraham Anson papers, 1939/20051
- Agnes Wolf papers, 1966/20061
- American Public Transportation Association records, 1898/19991
- C-SPAN records, 1809/2012, bulk 1978/20121
- David Pass papers, 1934/20011
- Dulles Corridor Rail Association records, 1985/20111
- E. P. Conkle papers, 1928/19941
- Eugenie V. Mielczarek papers, 1965/19971
- George Mason University Office of the President records, 1949/20131
- Jack Underhill papers, 1963/19971
- James M. Buchanan papers, 1800/20141
- James S. Trefil papers, 1965/20091
- John N. Paden papers, 1938/20101
- League of Women Voters of the Fairfax Area records, 1809/2012, bulk 1978/20121
- Margaret W. Fisher papers, 1972/19961