- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)7
- Kováč, Dušan4
- Tkadlečková, Herta2
- Cambel, Samuel1
- Charvát, Jaroslav1
- Cséry, László1
- Daniš, Miroslav1
- Dvořák, Pavel1
- Háber, Judit1
- Jílek, Tomáš1
- Kerekes, Péter1
- Keserue, Zsolt1
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)1
- Lennauchfilm1
- Múcska, Vincent1
- Open Society Archives at Central European University1
- Rubovszky, Péter1
- Čapek, Vratislav1