- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)1,775
- Samizdat Archives22
- Radio Free Europe/Radio Liberty, Inc - Research Institute18
- Csákó, Mihály11
- Soviet Red Archives10
- Samizdat Archives of Radio Free Europe9
- Open Media Research Institute8
- Pastor, Peter6
- Lanzmann, Claude4
- United States. Department of State4
- Conquest, Robert3
- Fekete Doboz Alapítvány3
- Fleischman, Janet3
- Gorbachev, Mikhail Sergeevich3
- Hanák, Péter3
- Laber, Jeri3
- Laqueur, Walter3
- Monitoring Unit3
- Pacepa, Ion Mihai3
- Pallai, Péter3