- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)395
- 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
- Fekete Doboz Alapítvány3
- Hanák, Péter3
- Monitoring Unit3
- Soros Foundation–Hungary3
- American Refugee Committee2
- Balogh, Eva S.2
- De Nooijer, Paul2
- Fleischman, Janet2
- Király, Béla2
- Nóvé, Béla2
- Open Society Archives at Central European University2
- Pacepa, Ion Mihai2