- Clyde, Paul Hibbert1
- Colombo, John Robert1
- Communist International Congress1
- Conference on Security and Cooperation in Europe (Helsinki : 1975.)1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Convegno i fasci siciliani e la società nazionale1
- Copper, John Franklin1
- Cranston, Maurice1
- Croan, Melvin1
- Czarnecki, Zdzisław Jerzy1
- Czechoslovak Unit1
- Daix, Pierre1
- Danilewicz Zielińska, Maria1
- Dashdamirov, Afrand F.1
- Davis, Jacquelyn K.1
- De Felice, Renzo1
- De Vries, Jan1
- Deacon, Richard1
- Demszky, Gábor1
- Denisov, Vladimir Vasil'evich1