- Radio Free Europe/Radio Liberty, Inc - Research Institute9
- Bortstieber, Gertrud8
- Héderváry, Claire de6
- Soviet Red Archives6
- Samizdat Archives4
- Hanák, Péter3
- Nóvé, Béla2
- Open Media Research Institute2
- Alfred A. Reisch1
- Analytic Research Department1
- Bahr, Ernst1
- Balkan Section1
- Balogh, Eva S.1
- Bodnár, Ottó Pál1
- Bulgarian Unit1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Czechoslovak Unit1
- Fondation pour une entraide intellectuelle européenne, FEIE1
- Free Europe Committee, Inc1