- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)956
- Radio Free Europe/Radio Liberty, Inc - Research Institute18
- Samizdat Archives15
- Csákó, Mihály10
- Soviet Red Archives9
- Open Media Research Institute8
- Pastor, Peter6
- Lanzmann, Claude4
- Samizdat Archives of Radio Free Europe4
- Hanák, Péter3
- Monitoring Unit3
- Pallai, Péter3
- Szekfű, András3
- Şimşir, Bilâl N.3
- Alekseeva, Liudmila2
- American Refugee Committee2
- Balogh, Eva S.2
- Cohen, Stephen F.2
- Conquest, Robert2
- Gilbert, Martin2