- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,003
- Radio Free Europe/Radio Liberty, Inc - Research Institute19
- Samizdat Archives15
- Csákó, Mihály11
- Soviet Red Archives9
- Visnews6
- Samizdat Archives of Radio Free Europe5
- UPTIN5
- Open Media Research Institute4
- Pallai, Péter4
- Hanák, Péter3
- Medvedev, Roy Aleksandrovich3
- Ajtony, Árpád2
- Balogh, Eva S.2
- Broomfield, Nick2
- Bíró, András2
- Grigorenko, P. G.2
- Gábor Magos2
- Hegedüs, András2
- Ivens, Joris2