- Randolph H. Lytton historical Virginia collection9
- Clark E. Warburton papers, 1920/19796
- Edwin W. Lynch Vietnam War protest collection, 1965/19753
- Alexander Haight family collection, 1764/19762
- C-SPAN records, 1809/2012, bulk 1978/20122
- James M. Buchanan papers, 1800/20142
- Michael La Vean French documents collection, 1751/18512
- "Justus ut palma a 3 Canto e Alto e Basso" manuscript, 1800/18251
- C. Harrison Mann, Jr. map collection, 1579/19611
- Carol R. Lubin papers, 1960/19811
- Commonwealth of Virginia documents signed by governors appointing justices of the peace and sheriffs for Loudoun County, 1809/18491
- George Mason University Student Government records, 1968/20191
- John N. Paden papers, 1938/20101
- League of Women Voters of the Fairfax Area records, 1809/2012, bulk 1978/20121
- Martin Cohen theater collection, 1816/20171