- Radio Free Europe/Radio Liberty, Inc - Research Institute2
- Bohun-Dąbrowski, Antoni1
- Drzycimski, Andrzej1
- Erdman, Jan1
- Geller, Mikhail1
- Gotowicz, Stanisław1
- Kaz-Ostaszewicz, Kazimierz1
- Loranc, Władysław1
- Piłsudski, Józef1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- RFE Polish Underground Publications Unit1
- Szulkin, Piotr1
- Łopiński, Maciej1