- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)28
- Fekete Doboz Alapítvány2
- Pallai, Péter2
- Wajda, Andrzej2
- Bochwic, Teresa1
- British Broadcasting Corporation, Written Archive Centre1
- Daëron, Michel1
- Djilas, Milovan1
- Ewa Borzecka1
- Fredro-Boniecki, Tadeusz1
- Geremek, Bronisław1
- Grynberg, Henryk1
- Jędrychowska, Jagoda1
- Kaczyński, Jarosław1
- Krauze, Krzysztof1
- Nowicki, Stanisław1
- Olszewski, Jan1
- Podemski, Esther1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Raczyński, Edward1