- Records, 1915-19314,295
- M. Rupert Cutler Papers, 1930/2021, bulk 1962/20214,187
- Reston Reflections oral history collection, 1994/20084,170
- The Fairfax County Office of Public Affairs Photograph Collection, 1962-20094,145
- Samuel Vaughan Wilson Papers, 1945/20174,081
- Papers, 1623-19304,058
- Emilie F. Miller papers, 1987/19914,057
- Richard Blow Papers, 1772/18724,039
- The Thomas Harrison Hunter papers, 1934/19954,039
- Policy Office Legislative Files of Governor James S. Gilmore, 1998-20014,038
- Galt Papers (I), 1745/18924,026
- J. Davitt McAteer Papers regarding Mining Safety, 1860/2013, bulk 1970/20103,960
- George Mason University Broadside photograph collection, 1971/20013,952
- A Guide to the Directors' Correspondence of the Virginia Museum of Fine Arts
1933-1977 (bulk 1934-1976)3,852
- Governor Mark R. Warner, Press Office records
2001-2006 (bulk 2002-2006)3,838