- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,029
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives12
- Soviet Red Archives9
- Csákó, Mihály8
- Visnews6
- UPTIN5
- Pallai, Péter4
- Hanák, Péter3
- Samizdat Archives of Radio Free Europe3
- Amal'rik, Andrei2
- Balogh, Eva S.2
- Bíró, András2
- Fic, Victor M.2
- Gábor Magos2
- Nóvé, Béla2
- Open Media Research Institute2
- Open Society Archives at Central European University2
- Schapiro, Leonard Bertram2
- Ader, Emile Bertrand1