- Reston Black Focus records, 1960/20053
- Abraham Anson papers, 1939/20052
- Amy Federman performing arts collection, 1963/20122
- Arena Stage records, 1949/20102
- Armistead L. Boothe collection, 1920/19832
- Arnold Goldman Living Newspaper collection, 1931/19732
- Arnold Sundgaard papers, 1925/19882
- Arthur Arundel papers, 1964/19902
- Arthur Franklin Raper papers, 1959/19752
- Bernard Rosenblatt Regional Theatre Council for Northern California and Nevada papers, 1938/19792
- C-SPAN records, 1809/2012, bulk 1978/20122
- Carol R. Lubin papers, 1960/19812
- Civic Association of Hollin Hills records, 1940/20132
- Clarence J. Robinson papers, 1897/19782
- Clark E. Warburton papers, 1920/19792