- Radio Free Europe/Radio Liberty, Inc - Research Institute9
- Bortstieber, Gertrud5
- Nóvé, Béla5
- Pallai, Péter3
- Samizdat Archives3
- Gábor Magos2
- Hanák, Péter2
- Judith Gimes2
- Soviet Red Archives2
- Balogh, Eva S.1
- British Broadcasting Corporation, Written Archive Centre1
- Cséry, László1
- Geréb, Anna1
- Great Britain, Foreign and Commonwealth Office1
- Hegedüs, András1
- Open Media Research Institute1
- Privát Fotó és Film Alapítvány1
- Radio Free Europe and Radio Liberty, Inc.1
- Samizdat Archives of Radio Free Europe1