- Civil Service Committee, House16
- Civil Service Reform Committee50
- Claims Committee2,517
- Claims Committee, House422
- Coast and Geodetic Survey23
- Coinage, Weights and Measures Committee83
- Coinage, Weights and Measures Committee, House48
- Commerce Committee88
- Committees, Select Committee on13
- Communist Aggression, Select Committee on18
- Congress of the United States8
- Cook, George Washington, Select Committee to Consider Remarks of, Relative to President Roosevelt1
- Crime, Select Committee on31
- Davis, James H., Select Committee to Investigate Language of Speech of Mar. 22, 1916, of1
- District of Colombia Committee919
- District of Columbia Committee22
- District of Columbia Committee, House104
- District of Columbia Committtee, House1
- East St. Louis Riots, Special Committee to Investigate1
- Education Committee87