- Alexander Haight family collection, 1764/19761
- American Public Transportation Association records, 1898/19991
- C-SPAN records, 1809/2012, bulk 1978/20121
- C. Harrison Mann, Jr. papers, 1832/19791
- E. P. Conkle papers, 1928/19941
- James M. Buchanan papers, 1800/20141
- League of Women Voters of the Fairfax Area records, 1809/2012, bulk 1978/20121
- Letters to music lyricist and publisher Dallas "Dal" Gray, 1919/19361
- Martin Wohl papers, 1919/20001
- Phil Teigen North American churches postcard collection, 1904/20101
- Roger Wilkins papers, 1928/20081
- Saint Andrew's Society collection, 1861/19951
- Thomas Griest World War I collection, 1899/19441
- William L. Mertz transportation collection, 1895/19951