- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)94
- Radio Free Europe/Radio Liberty, Inc - Research Institute19
- Samizdat Archives18
- Csákó, Mihály14
- Soviet Red Archives10
- Nóvé, Béla7
- Open Media Research Institute6
- Pastor, Peter6
- Philipp, Tibor6
- Jakab, Lajos5
- Monitoring Unit5
- Samizdat Archives of Radio Free Europe5
- Group Inconnu3
- Hanák, Péter3
- Hungarian Ministry of the Interior3
- Privát Fotó és Film Alapítvány3
- Radio Free Europe and Radio Liberty, Inc.3
- Varga, László3
- Ajtony, Árpád2
- Balogh, Eva S.2