| SEIU Executive Office: David Sullivan Records |
| William M. Seabron Papers |
| Louis A. Schwartz Papers |
| Wayne State University School of Occupational Health Office of the Dean: Raymond Hussey Records |
| Peter B. Schneider Papers |
| Helen Schiff Papers |
| Wilbert Salmi Papers |
| Saginaw Federation of Labor Records |
| Herrick S. Roth Papers |
| Harry Ross Papers |
| Cecil Roeder Papers |
| Remus Robinson Papers |
| George Roberts Papers |
| Dalton Roberson Papers |
| Matilda Robbins Papers |
| AFT Rhode Island Federation of Teachers Records |
| Philip Rahoi Papers |
| Edward A. Wieck Papers |
| Eleanor Wolf Papers |
| Women's International League for Peace and Freedom: Meta Riseman Records |
| Sophia Radlow Papers |
| Quarry Workers International Union of North America Records |
| PROD, Inc. Records |
| Press Associates, Inc. Records |
| Will Poyfair Papers |
| Sam Pollock Papers |
| James Poland Papers |
| Irving Pokempner Papers |
| Joseph Piconke Papers |
| Vincent Petitpren Papers |
