- Bortstieber, Gertrud4
- Ivens, Joris3
- Nóvé, Béla2
- Pallai, Péter2
- Samizdat Archives2
- Balogh, Eva S.1
- Berdiaev, Nikolai1
- Brady, Robert A.1
- Capa, Robert1
- Carr, Edward Hallett1
- Communist International (Comintern)1
- Garratt, G. T.1
- Great Britain, Foreign and Commonwealth Office1
- Hitler, Adolf1
- Hubbard, Leonard E.1
- James, C. L. R.1
- Kommunisticheskaia partiia Sovetskogo Soiuza1
- Krivitsky, W. G.1
- Lenin, Vladimir Ilʹich1
- Littlepage, John D.1