- Radio Free Europe/Radio Liberty, Inc - Research Institute12
- Samizdat Archives10
- Soviet Red Archives8
- Samizdat Archives of Radio Free Europe6
- Fricke, Karl Wilhelm3
- Hanák, Péter3
- Hegedüs, András3
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)3
- Szekfű, András3
- Borcke, Astrid von2
- Dalos, György2
- Gorbachev, Mikhail Sergeevich2
- Gosztonyi, Péter2
- Hennerbichler, Ferdinand2
- Nóvé, Béla2
- Open Media Research Institute2
- Soros Foundation–Hungary2
- Voinovich, Vladimir2
- Afanasʹev, IU. N.1
- Alfred A. Reisch1