- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)92
- Radio Free Europe/Radio Liberty, Inc - Research Institute3
- Bajob, Filip1
- Centrum Promocji Kobiet (Warsaw, Poland)1
- Drygas, Maciej1
- Górski, Jan1
- Kołodziej, Edward1
- Lipka, Rafał M.1
- Open Media Research Institute1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1
- Romaniec, Rosalia1
- Sakowska, Ruta1
- Samizdat Archives1
- Samizdat Archives of Radio Free Europe1
- Zahorski, Witold1