- Bortstieber, Gertrud4
- Samizdat Archives3
- Nóvé, Béla2
- Pallai, Péter2
- Balogh, Eva S.1
- Beneš, Edvard1
- Citrine, Walter1
- Communist International (Comintern)1
- Condliffe, J. B.1
- Golding, Louis1
- Great Britain, Foreign and Commonwealth Office1
- Gunther, John1
- Hegedüs, András1
- Henderson, Nevile1
- Ivens, Joris1
- Joyce, William1
- Magos-Gimes, Judit1
- Miklós Hollós1
- Open Society Archives at Central European University1
- Privát Fotó és Film Alapítvány1