- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)6,592
- Open Media Research Institute17
- Radio Free Europe/Radio Liberty, Inc - Research Institute13
- Csákó, Mihály12
- Soviet Red Archives12
- Blinken, Donald7
- Nóvé, Béla7
- Monitoring Unit6
- American Refugee Committee5
- Pastor, Peter5
- Samizdat Archives5
- Bartók, István4
- Fekete Doboz Alapítvány4
- Gábor Magos4
- Hanák, Péter3
- Judith Gimes3
- Moldova, György3
- Nickel, Gitta3
- Péter Forgács3
- Schwarze, Wolfgang3