- Nóvé, Béla6
- Csákó, Mihály5
- Cséry, László2
- Hungarian Ministry of the Interior2
- Open Society Archives at Central European University2
- Privát Fotó és Film Alapítvány2
- Radio Free Europe/Radio Liberty, Inc - Research Institute2
- Varga, László2
- Alfred A. Reisch1
- Analytic Research Department1
- Balogh, Eva S.1
- Belügyminisztérium Központi Irattára1
- British Broadcasting Corporation, Written Archive Centre1
- Czechoslovak Unit1
- Film Studio of the Hungarian Workers Militia1
- Hegedüs, András1
- Information Services Department1
- Király, Béla1
- Krassó, György1
- Magos-Gimes, Judith Juca1