Collection
- Abraham Anson papers76
- Agnes Wolf papers7
- Alan Bowne papers4
- Alexander Haight family collection10
- American Political Items Collectors collection8
- American Public Transportation Association records287
- American Theatre Association records53
- Amy Federman performing arts collection2
- Arden B. Schell Watergate collection1,525
- Arena Stage records1,072
- Armistead L. Boothe collection16
- Arnold Goldman Living Newspaper collection8
- Arnold Sundgaard papers216
- Arthur Arundel papers8
- Arthur E. Scott photograph collection61