- Radio Free Europe/Radio Liberty, Inc - Research Institute10
- Samizdat Archives9
- Soviet Red Archives9
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)6
- Samizdat Archives of Radio Free Europe5
- Open Media Research Institute4
- Hanák, Péter3
- Nóvé, Béla2
- Roggemann, Herwig2
- Rohde, David2
- Soros Foundation–Hungary2
- Szekfű, András2
- Alfred A. Reisch1
- Alʹbats, Evgeniia1
- Analytic Research Department1
- Backes, Uwe1
- Bahrmann, Hannes1
- Bakatin, V. V.1
- Balkan Section1
- Balogh, Eva S.1