- Bortstieber, Gertrud4
- Nóvé, Béla2
- Pallai, Péter2
- Samizdat Archives2
- Balogh, Eva S.1
- Communist International (Comintern)1
- Great Britain, Foreign and Commonwealth Office1
- Hitler, Adolf1
- Ivens, Joris1
- Kommunisticheskaia partiia Sovetskogo Soiuza1
- Krivitsky, W. G.1
- Magos-Gimes, Judit1
- Open Society Archives at Central European University1
- Pares, Bernard1
- Privát Fotó és Film Alapítvány1
- Péter Forgács1
- Radio Free Europe/Radio Liberty, Inc - Research Institute1
- Rauschning, Hermann1
- Rose, William John1
- Samizdat Archives of Radio Free Europe1