- "We Were Not Shadows" by Colonel E.P.J. Ryan, O.B.E typed manuscript, 1955/19651
- Abraham Anson papers, 1939/20051
- Alexander Haight family collection, 1764/19761
- American Public Transportation Association records, 1898/19991
- C-SPAN records, 1809/2012, bulk 1978/20121
- Clarence J. Robinson papers, 1897/19781
- College of Visual and Performing Arts records, 1930/20151
- David Pass papers, 1934/20011
- George Mason University Center for the Study of Constitutional Rights records, 1955/19921
- Jerome Epstein papers, 1943/19831
- John N. Paden papers, 1938/20101
- Martin Wohl papers, 1919/20001
- Performing arts promotional ephemera and photographs, 1941/19771
- Randolph Lytton historic Washington, D.C. postcards and photographs collection, 1905/19681
- Robert and Wilva Breen papers, 1831/20001