- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)198
- Open Society Archives at Central European University3
- Geréb, Anna2
- Angyal, Béla1
- Böszörményi, Zsuzsa1
- Delannoy, Gilles1
- Ivanics, Andrea1
- Jakab, Lajos1
- Janics, Kálmán1
- Komandarev, Stephan1
- Král, Václav1
- Kun, Miklós1
- Plančíková, Vladislava1
- Rezonov, Pavel Ivanovich1
- Salminen, Kai1
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)1
- Šik, Ota1