| AFT President's Office: Carl Megel Records | Abstracts |
| Richard Alatorre Papers | Abstracts |
| Gabriel Alexander Papers | Abstracts |
| Moses Alexander Papers | Abstracts |
| All Unions Committee to Shorten the Work Week Records | Abstracts |
| John Allard Papers | Abstracts |
| Winfred G. Allen Jr. Papers | Abstracts |
| Arthur A. Almeida Papers | Abstracts |
| ALPA Governing Bodies: Board of Directors Records | Abstracts |
| ALPA Headquarters Communications Library Records | Abstracts |
| ALPA Kansas City Missouri Field Office Records | Abstracts |
| ALPA Los Angeles Field Office Records | Abstracts |
| ALPA Los Angeles Joint Council Office Records | Abstracts |
| ALPA Los Angeles Records | Abstracts |
| ALPA Minneapolis Joint Council Records | Abstracts |
| ALPA Region 5 Vice-President's Files: Capt. William C. Davis Records | Abstracts |
| ALPA Seattle Joint Council Records | Abstracts |
| ALPA Union of Professional Airmen | Abstracts |
| ALPA New York PAA MEC Records | Abstracts |
| ALPA Miami EAL MEC Records | Abstracts |
| Amalgamated Clothing Workers of America & Midwestern States Joint Board Records | Abstracts |
| American Federation of Government Employees (AFGE) Lodge 176 | Abstracts |
| Oscar Ameringer Papers | Abstracts |
| George Amrhein Papers | Abstracts |
| John Anderson Papers | Abstracts |
| Ted Andras Papers | Abstracts |
| Architectural Engineering Employees: Detroit Chapter Records | Abstracts |
| Carolyn Ashbaugh Papers | Abstracts |
| Charles Ashleigh Papers | Abstracts |
| Association for Union Democracy Records | Abstracts |
| Association of Catholic Trade Unionists of Detroit Records | Abstracts |
| Association of Flight Attendants: Dallas Records | Abstracts |
| Henry W. Austin Papers | Abstracts |
| Automotive Salesmen's Association Records | Abstracts |
| Charles Baker Papers | Abstracts |
| Wilbur and Mary Alice Baldinger Papers | Abstracts |
| Don Ball Papers | Abstracts |
| Jack Barbash Papers | Abstracts |
| Bob Barber Papers | Abstracts |
| Ken Barger Papers | Abstracts |
| Henry Bartell Papers | Abstracts |
| Joseph Basso Papers | Abstracts |
| Robert "Buddy" Battle III and Marion Battle Papers | Abstracts |
| Warner Baxter Papers | Abstracts |
| Charles Beckman Papers | Abstracts |
| John Beffel Papers | Abstracts |
| Herman Benson Papers | Abstracts |
| Julius Bernstein Papers | Abstracts |
| Meyer Bernstein Papers | Abstracts |
| Thelma Bernstein Papers | Abstracts |
