- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)516
- Radio Free Europe/Radio Liberty, Inc - Research Institute19
- Samizdat Archives16
- Csákó, Mihály11
- Soviet Red Archives9
- Visnews6
- Open Media Research Institute5
- Samizdat Archives of Radio Free Europe5
- UPTIN5
- Pallai, Péter4
- Hanák, Péter3
- Ajtony, Árpád2
- Balogh, Eva S.2
- Bíró, András2
- Fic, Victor M.2
- Gábor Magos2
- Hegedüs, András2
- Medvedev, Roy Aleksandrovich2
- Nóvé, Béla2
- Open Society Archives at Central European University2