- Records of the Curatorial Department (RG-03)4,502
- Records,
1915-19314,295
- M. Rupert Cutler Papers4,187
- Clive L. DuVal papers4,170
- Reston Reflections oral history collection4,170
- The Fairfax County Office of Public Affairs Photograph Collection,
1962-20094,145
- George Mason University publications4,104
- Samuel Vaughan Wilson Papers4,081
- Papers,
1623-19304,058
- Emilie F. Miller papers4,057
- Richard Blow Papers4,039
- The Thomas Harrison Hunter papers4,039
- Policy Office Legislative Files of Governor James S. Gilmore,
1998-20014,038
- Galt Papers (I)4,026
- J. Davitt McAteer Papers regarding Mining Safety3,960