- Arnold Sundgaard papers, 1925/1988236
- Arthur Arundel papers, 1964/19908
- Arthur E. Scott photograph collection52
- Arthur E. Scott photograph collection, 1910/197653
- Arthur Franklin Raper papers, 1959/197526
- Arthur Herman papers, 1950/19991
- Arthur Peterson papers1
- Arthur Peterson papers, 1940/19871
- Barbara Lustbader New York City playbills collection, 1957/201226
- Beaven brass rubbings collection, 1900/19991
- Bernard Brenner brass rubbings collection1
- Bernard Rosenblatt Regional Theatre Council for Northern California and Nevada papers, 1938/197924
- Bonnie Atwood papers, 1965/19962
- Broadside student newspaper collection, 1963/20201
- Broadway souvenir theatre programs collection, 1942/19976