- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)4,106
- Héderváry, Claire de118
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Nóvé, Béla10
- Csákó, Mihály9
- Soviet Red Archives9
- Samizdat Archives7
- Bortstieber, Gertrud4
- Brzezinski, Zbigniew4
- Hegedüs, András4
- Mosnauchfilm4
- Pallai, Péter4
- Djilas, Milovan3
- Hanák, Péter3
- Studioul Cinematografic Alexandru Sahia3
- Terts, Abram3
- Varga, László3
- Zagoria, Donald S.3
- Balogh, Eva S.2
- Bíró, András2