- "Vienna Planning District: A Summary of the Plan Adopted by the Board of Supervisors" pamphlet, 1967/19701
- Abraham Anson papers, 1939/200568
- Agnes Wolf papers, 1966/20066
- Alan Bowne papers, 1964/1991, bulk 1980/19892
- Alexander Haight family collection, 1764/19764
- Alexander Haight family collection, 1764/19778
- American Political Items Collectors collection12
- American Political Items Collectors collection, 1895/19881
- American Public Transportation Association records, 1898/1999336
- American Public Transportation Association records, 1950/19801
- American Theatre Association records14
- Amy Federman performing arts collection, 1963/20122
- Arena Stage records, 1949/2010586
- Armistead L. Boothe collection, 1920/198314
- Arnold Goldman Living Newspaper collection, 1931/19738