- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)23
- Héderváry, Claire de4
- Alvarez y Alvarez, Luis1
- Barbey, Stéphanie1
- Czechoslovak Unit1
- Dikötter, Frank1
- Fondation pour une entraide intellectuelle européenne, FEIE1
- Freedman, David H.1
- Human Rights Watch1
- Meskhiev, Dmitrii1
- Peter, Luc1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Pool, Hans1
- Romanian Unit1
- Samizdat Archives1
- Soviet Red Archives1
- Stančić, Hrvoje1
- Đorđević, Aleksandar1