- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)128
- Open Society Archives at Central European University5
- Bortstieber, Gertrud3
- Vertov, Dziga3
- Csákó, Mihály2
- Héderváry, Claire de2
- Radio Free Europe and Radio Liberty, Inc.2
- Samizdat Archives2
- Acković, Dragoljub1
- Adelson, Alan1
- Aleksandrov, Evgeny1
- Almási, Tamás1
- Anderson, Jon Lee1
- Aziz, Ammar1
- BBC1
- Baker, David1
- Bejmar, Magnus1
- Bishop, Donald G.1
- Blumenfeld, Pavel1
- Bolívar, Simón1