- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)2,770
- Héderváry, Claire de114
- Radio Free Europe/Radio Liberty, Inc - Research Institute19
- Soviet Red Archives8
- Samizdat Archives6
- Csákó, Mihály5
- Pallai, Péter4
- Hanák, Péter3
- Balogh, Eva S.2
- Bortstieber, Gertrud2
- Brzezinski, Zbigniew2
- Bíró, András2
- Chabod, Federic2
- Gábor Magos2
- Hutton, Joseph Bernard2
- International Commission of Jurists (1952- )2
- Mu, Fu-sheng2
- Nóvé, Béla2
- Open Media Research Institute2
- Open Society Archives at Central European University2