- The Dr. Ardwin H. Barsanti and Dr. John D. Bunce Medical Equipment,
c. 1950s - 1960s, c. 19907
- The Dr. Frank W. Huddleson Checkbook,
1922-19272
- The Dr. James T. Jones Collection,
1895-194646
- The Dulles Airport Scrapbooks,
1958-20085
- The Dulles Area Chapter of N.O.W. Collection,
1981-199715
- The Dunn Loring, Virginia Collection,
1960-19675
- The Dunn Loring, Virginia Survey Slide Collection,
1988300
- The Edgar R. Hon Collection on Tysons Corner Silver Line Metro Development,
2003-200614
- The Elizabeth Miles Cooke Collection,
1959-1999, bulk 1968-197741
- The Ernest L. Plaskett Certificate of Appointment as Lorton Valley, Virginia Postmaster,
December 15, 18932
- The Fairfax Chorus Records,
1951-19525
- The Fairfax County Board of Supervisors Northern Virginia Businesses Receipts Collection,
1901-1940122
- The Fairfax County Commission on the Bicentennial of the United States Constitution Records,
1986-199210
- The Fairfax County Emergency Services Patch Collection,
c.1940-c.200038
- The Fairfax County History Commission Records,
1967-2019266