- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)33,160
- Héderváry, Claire de3,323
- Columbia University School of International Affairs358
- Radio Free Europe/Radio Liberty, Inc - Research Institute14
- Soviet Red Archives6
- Institut zur Erforschung der UdSSR5
- Samizdat Archives5
- United States. Congress. House. Committee on Un-American Activities5
- Bortstieber, Gertrud4
- Khrushchev, Nikita Sergeevich4
- Laqueur, Walter4
- Maclean, Fitzroy4
- Pallai, Péter4
- Seton-Watson, Hugh4
- United States. Congress. Senate. Committee on Foreign Relations4
- de Héderváry, Claire4
- Aron, Raymond3
- Carr, Edward Hallett3
- Csákó, Mihály3
- Deutscher, Isaac3