| Ronald Cohen Papers |
| David Cohen Papers |
| Kenneth V. and Sheila M. Cockrel Papers |
| Coalition of Labor Union Women: Seattle Chapter Records |
| Coalition of Labor Union Women: San Francisco Chapter Records |
| Coalition of Black Trade Unionists Records |
| Civil Rights Congress of Michigan Records |
| Citizens for Michigan Records |
| Citizens for a United Detroit Records |
| CIO Office of the Secretary-Treasurer Records |
| CIO Washington Office Records |
| CIO Political Action Committee (PAC) Records |
| CIO Housing Committee: Leo Goodman Records |
| Cigar Makers Union No. 130 Records |
| Louis Ciccone Papers |
| Joseph Chrapkiewicz Papers |
| Ely Chinoy Papers |
| Children's Hospital of Michigan Records |
| Children's Hospital of Michigan: Director of Laboratories Records |
| Chicago Union Printers Baseball Association Records |
| Charles Chiakulas Papers |
| Cherboneau Place Cooperative Records |
| Center for Community Change Records |
| Jerome P. Cavanagh Papers |
| Lawrence Carlstrom Papers |
| Robert E. Carlson Papers |
| Clarice T. Campbell Papers |
| John Burton Papers |
| Robert Burkart Papers |
| Roy M. Brown Papers |