- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)43
- Végh, Oszkár2
- Łopiński, Maciej2
- Baldoli, Claudia1
- Balog, Ilona S.1
- Dolléans, Edouard1
- Dubois, Hubert1
- Elazar, Dahlia S.1
- Emery, Linzy1
- Gebert, Konstanty1
- Grotewohl, Otto1
- Hajdu, Gyula1
- Koenker, Diane1
- Leningradskaia oblast' (Russia). Upravlenie vnutrennikh del. Arkhivnyi otdel1
- Lázár, György1
- Moros, Eve-Laure1
- Pipes, Richard1
- Radio Free Europe/Radio Liberty, Inc - Research Institute1
- Searchlight1
- Tiurin, Sergei Petrovich1