- Balogh, Eva S.1
- Bortstieber, Gertrud8
- Buckreis, Adam2
- Communist International (Comintern)1
- Dovzhenko, Alexander1
- Forster, Jakab1
- Gerasimov, Sergei1
- Great Britain, Foreign and Commonwealth Office1
- Gábor Magos2
- Hitler, Adolf1
- Ivens, Joris1
- Judith Gimes2
- Kemény, István1
- Kommunisticheskaia partiia Sovetskogo Soiuza1
- Krivitsky, W. G.1
- Magos-Gimes, Judit1
- Nóvé, Béla6
- Open Society Archives at Central European University1
- Pallai, Péter2
- Pares, Bernard1