- Pallai, Péter2
- Radio Free Europe/Radio Liberty, Inc - Research Institute2
- Alfred A. Reisch1
- Allilueva, Svetlana1
- Babiński, Witold1
- British Broadcasting Corporation, Written Archive Centre1
- Ciołkosz, Adam1
- Free Europe Committee, Inc1
- Jackiewicz, Franciszek1
- Jasienica, Paweł1
- Jaszuński, Grzegorz1
- Kiersnowski, Ryszard1
- Komorowski, Tadeusz1
- Krzeczunowicz, Kornel1
- Mieroszewski, Juliusz1
- Miązek, Bonifacy1
- Open Media Research Institute1
- Orłowski, Leon1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Poszwiński, Henryk1