- Capra, Frank6
- Bortstieber, Gertrud4
- Samizdat Archives3
- Nóvé, Béla2
- Pallai, Péter2
- Balkan Section1
- Balogh, Eva S.1
- Communist International (Comintern)1
- Frojimovics, Kinga1
- Great Britain, Foreign and Commonwealth Office1
- Hegedüs, András1
- Ivens, Joris1
- Litvak, Anatole1
- Magos-Gimes, Judith Juca1
- Miklós Hollós1
- Open Society Archives at Central European University1
- Privát Fotó és Film Alapítvány1
- Péter Forgács1
- Radio Free Europe/Radio Liberty, Inc - Research Institute1
- Samizdat Archives of Radio Free Europe1