- duPont family papers, 1767/19822,859
- Richard J. Walker papers, 1975/19792,851
- American Theatre Association records2,839
- George Mason University photograph collection, 20072,834
- General Assembly Legislation of the Policy Office of Governor Lawrence Douglas Wilder, 1990/19932,789
- Lewis F. Powell Jr. Papers
1921-19982,782
- Dr. Kelvin Ramsey Collection of Stereoviews-1, 1874/19382,743
- George Mason University photograph collection2,725
- Papers of Homer Stille Cummings, 1850-19562,710
- Robert M. Gates papers, 1946/2015, bulk 1966/20142,695
- International Association for Identification Records, 1842/2012, bulk 1910/19592,690
- The The Photographic Archive of Fairfax County, Virginia - The Slide Collection, 1961-19982,663
- John C. Watkins papers, 1979/20012,642
- Reston Association records, 1964/20062,636
- Elrich W. Murphy Photograph Collection (MS415), 1940/19692,591