- Open Society Archives at Central European University25
- Samizdat Archives18
- Open Media Research Institute17
- Radio Free Europe/Radio Liberty, Inc - Research Institute9
- Samizdat Archives of Radio Free Europe9
- Soviet Red Archives7
- Csákó, Mihály6
- Monitoring Unit6
- Philipp, Tibor5
- American Refugee Committee4
- Vajda, Júlia4
- Fekete Doboz Alapítvány3
- Group Inconnu3
- Pallai, Péter2
- Radio Free Europe and Radio Liberty, Inc.2
- Ajtony, Árpád1
- BBC1
- Bozóki, András1
- British Broadcasting Corporation, Written Archive Centre1
- Enyedi, Zsolt1