| Raya Dunayevskaya Papers |
| Judah Drob Papers |
| Tom Downs Papers |
| Alex Dow Papers |
| Walter Dorosh Papers |
| E. F. Doree Papers |
| Genora and Sol Dollinger Papers |
| John Dillon Papers |
| Ernest C. and Jessie M. Dillard Papers |
| Charles M. Dewey Papers |
| Len and Caroline DeCaux Papers |
| James D. Crowe Papers |
| Alexander Crosby Papers |
| John Craft Papers |
| Richard W. and Constance Cowen Papers |
| Andrew Court Papers |
| Minnie F. Corder Papers |
| William Cook Papers |
| Joseph P. Conlin Papers |
| Sanford Cohl Papers |
| Oscar Cohen Papers |
| Charles J. Clark Papers |
| Edith L. Christenson Papers |
| James B. Carey Papers |
| Lester Cappon Papers |
| Tom and Janet Canterbury Papers |
| Mellie and Herbert S. Calvert Papers |
| William Cahn Papers |
| Chester Cable Papers |
| George Burt Papers |
