- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)413
- Radio Free Europe/Radio Liberty, Inc - Research Institute20
- Samizdat Archives15
- Csákó, Mihály10
- Soviet Red Archives9
- Open Media Research Institute6
- Pastor, Peter5
- Samizdat Archives of Radio Free Europe4
- Hanák, Péter3
- Pallai, Péter3
- Balogh, Eva S.2
- Fehér, Ferenc2
- Henze, Paul B.2
- Király, Béla2
- Manchester, William2
- Monitoring Unit2
- Nóvé, Béla2
- Open Society Archives at Central European University2
- Stevenson, William2
- United States. Congress. House. Committee on Foreign Affairs. Subcommittee on Europe and the Middle East2