| National Policy Association Records | Abstracts |
| National Sharecroppers Fund Records | Abstracts |
| National War Labor Board Records | Abstracts |
| Owosso Education Association Records | Abstracts |
| Frances D. and G. Lyman Paine Papers | Abstracts |
| Peabody Report | Abstracts |
| People's Song Library Records | Abstracts |
| Carl Person Papers | Abstracts |
| Henry J. Pfaff Papers | Abstracts |
| Norman E. Philleo Papers | Abstracts |
| Pinkerton's National Detective Agency Reports | Abstracts |
| Robert Pisarski Papers | Abstracts |
| Sam Pollock Papers | Abstracts |
| Thomas E. Posey Papers | Abstracts |
| Otto Pragan Papers | Abstracts |
| Press Associates, Inc. Records | Abstracts |
| Quarry Workers International Union of North America Records | Abstracts |
| Samuel Rabinovitz Papers | Abstracts |
| Esther H. Read Papers | Abstracts |
| Herman Rebhan Papers | Abstracts |
| Harry Riseman Papers | Abstracts |
| Marvin Rogoff Papers | Abstracts |
| Jack Rugh Papers | Abstracts |
| Wilbert Salmi Papers | Abstracts |
| George James Saul Manuscript | Abstracts |
| Albert Sayer Papers | Abstracts |
| Helen Schiff Papers | Abstracts |
| Peter B. Schneider Papers | Abstracts |
| Irwin Silber Papers | Abstracts |
| Joseph Spaniolo Papers | Abstracts |
| A. E. Stevenson Papers | Abstracts |
| Irma Mortimer Stewart Papers | Abstracts |
| Lynn P. Stoddard Union Cards | Abstracts |
| D. Alan Strachan Papers | Abstracts |
| test | Abstracts |
| Union Minorities/Women Leadership Training Project Records | Abstracts |
| United Kingdom Society of Coachbuilders - Cork Branch Records | Abstracts |
| United Office and Professional Workers of America Local 26 Records | Abstracts |
| United Rubber Workers Records | Abstracts |
| United Transport Service Employees Records | Abstracts |
| Mary Van Kleeck Papers | Abstracts |
| A. Randall Vinitsky Papers | Abstracts |
| W. G. Wamsley Papers | Abstracts |
| Max Weinrib Papers | Abstracts |
| Western Federation of Miners Records | Abstracts |
| Western Federation of Miners: Calumet-Hecla Strike Records | Abstracts |
| Doris B. Wheeler Papers | Abstracts |
| Walt Whitman Resolution | Abstracts |
| Agnes Wieck Papers | Abstracts |
| Edward A. Wieck Papers | Abstracts |
