- Bortstieber, Gertrud4
- Nóvé, Béla2
- Balogh, Eva S.1
- Barnes, James Strachey1
- Chamberlin, William Henry1
- Communist International (Comintern)1
- Fry, C. Luther1
- Kropotkin, Petr Alekseevich1
- Magos-Gimes, Judith Juca1
- Privát Fotó és Film Alapítvány1
- Péter Forgács1
- Radio Free Europe/Radio Liberty, Inc - Research Institute1
- Samizdat Archives1
- Samizdat Archives of Radio Free Europe1
- Von Sternberg, Josef1