- Radio Free Europe/Radio Liberty, Inc - Research Institute16
- Samizdat Archives14
- Soviet Red Archives8
- Open Media Research Institute6
- Csákó, Mihály5
- Pastor, Peter5
- Samizdat Archives of Radio Free Europe4
- Balogh, Eva S.2
- Gábor Magos2
- Hanák, Péter2
- Monitoring Unit2
- Pallai, Péter2
- American Refugee Committee1
- British Broadcasting Corporation, Written Archive Centre1
- Bíró, András1
- Judith Gimes1
- Magos, Gábor1
- Radio Free Europe and Radio Liberty, Inc.1
- Samizdat Archives at the RFE/RL Research Institute1
- Soros Foundation–Hungary1