- Abraham Anson papers, 1939/200528
- Agnes Wolf papers, 1966/20068
- Alan Bowne papers, 1964/1991, bulk 1980/19898
- American Political Items Collectors collection3
- American Political Items Collectors collection, 1895/19881
- American Public Transportation Association records, 1898/199952
- American Theatre Association records5
- Amy Federman performing arts collection, 1963/20122
- Arena Stage records, 1949/2010914
- Arnold Sundgaard papers, 1925/198822
- Art Attack records, 1979/200930
- Arthur Arundel papers, 1964/19908
- Arthur Herman papers, 1950/19991
- Baba Freeman Reston, Virginia collection, 1966/20076
- Baba Freeman Reston, Virginia, collection, 1966/20071