- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)7
- Monitoring Unit2
- Open Media Research Institute2
- Open Society Archives at Central European University2
- Samizdat Archives2
- Csákó, Mihály1
- Golovnev, Ivan1
- Hanák, Péter1
- International Monitor Institute1
- Kheifets, Aleksandr Naumovich1
- Pudovkin, Vsevolod1
- Samizdat Archives of Radio Free Europe1
- Simakova, Anna1
- Soviet Red Archives1
- Sárosi, Péter1
- Vagabov, Mikhail Vagabovich1
- Vasil'ev, Leonid Sergeevich1
- Vasilʹev, L. S.1