- Cohen, Bernard1
- Collins, Larry1
- Committee on the Drafting of a Model Human Rights Charter for Developing Countries1
- Conference "Poland between the Wars: 1918-1939"1
- Conference on Security and Cooperation in Europe1
- Conquest, Robert1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Cornish, Graham P.1
- Corson, William R.1
- Costello, John1
- Council of Europe. Committee of Ministers1
- Craig, Mary1
- Crampton, R. J.1
- Csalog, Zsolt1
- Csurka, István1
- Curtis, Anthony R.1
- Custine, Astolphe1
- Cynkin, Thomas M.1
- Czechoslovak Unit1
- Dahl, Robert A.1