| Louise (Sally) Langdon Brown Papers |
| Charles Brooks Papers |
| Philip Booth Papers |
| James and Grace Lee Boggs Papers |
| Charles Biagi Papers |
| Glen R. Betts Papers |
| Helen W. Berthelot Papers |
| Russ Bellant Papers |
| Charles Beckman Papers |
| Joseph Basso Papers |
| Henry Bartell Papers |
| Don Ball Papers |
| Wilbur and Mary Alice Baldinger Papers |
| J. Edward Bailey III Papers |
| Association of Flight Attendants: Dallas Records |
| Association for Union Democracy Records |
| Amalgamated Clothing Workers of America & Midwestern States Joint Board Records |
| All Unions Committee to Shorten the Work Week Records |
| Oral History |
| Ted Andras Papers |
| Carolyn Ashbaugh Papers |
| Charles Ashleigh Papers |
| Henry W. Austin Papers |
| Alfred and Rose Anderson Papers |
| George Amrhein Papers |
| Chris and Marti Alston Papers |
| Peter H. Amann Papers |
| Harriet Cooper Alpern Papers |
| Carl Almblad Papers |
| Winfred G. Allen Jr. Papers |