- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)5,987
- Open Media Research Institute20
- Csákó, Mihály12
- Soviet Red Archives11
- Radio Free Europe/Radio Liberty, Inc - Research Institute10
- Altman, Anita7
- Nóvé, Béla7
- American Refugee Committee6
- Monitoring Unit6
- Blinken, Donald5
- Pastor, Peter5
- Bartók, István4
- David Rohde4
- Fekete Doboz Alapítvány4
- Gábor Magos4
- Samizdat Archives4
- Hanák, Péter3
- Judith Gimes3
- Moldova, György3
- Péter Forgács3