- Radio Free Europe/Radio Liberty, Inc - Research Institute12
- Samizdat Archives7
- Soviet Red Archives7
- Hanák, Péter3
- Samizdat Archives of Radio Free Europe3
- Gosztonyi, Péter2
- Hegedüs, András2
- Nóvé, Béla2
- Open Media Research Institute2
- Alfred A. Reisch1
- Analytic Research Department1
- Balkan Section1
- Balogh, Eva S.1
- Bland-Spitz, Daniela1
- Broer, Wolfgang1
- Bulgarian Unit1
- Burens, Peter-Claus1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Craig, Gordon Alexander1
- Csákó, Mihály1