- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)51
- Radio Free Europe/Radio Liberty, Inc - Research Institute5
- Jakab, Lajos2
- Bazylewicz, Józef1
- Beauvois, Daniel1
- Bień, Adam1
- Blazynski, George1
- Craig, Mary1
- Csákó, Mihály1
- Fink, Ida1
- Grosman, Haikah1
- Johnson, A. Ross1
- Kropiwnicki, Jerzy1
- Krukowski, Kazimierz1
- Kuczyński, Waldemar1
- Kunert, Andrzej Krzysztof1
- Micewski, Andrzej1
- Open Media Research Institute1
- Orłoś, Kazimierz1
- Polish Unit of RFE/RL Research Institute; RFE/RL RI1