- Clarkson, Stephen1
- Cloos, Hans Peter1
- Club de l'Horloge1
- Cologne, Daniel1
- Conquest, Robert1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Czapska, Maria1
- Czechoslovak Unit1
- Demidov, Sergei Mikhailovich1
- Demszky, Gábor1
- Diamant, Lincoln1
- Doder, Dusko1
- Dombrovskii, IUrii1
- Druzhinin, N. M.1
- Du Plessis, J. A.1
- Dunn, Keith A.1
- Dyulgerov, Georgi1
- Előd, István1
- Epstein, Edward Jay1
- Falk, Feliks1