- Ajtony, Árpád3
- Alfred A. Reisch1
- Analytic Research Department1
- Balogh, Eva S.1
- Belügyminisztérium Központi Irattára1
- British Broadcasting Corporation, Written Archive Centre1
- Bíró, András2
- Csákó, Mihály15
- Cséry, László2
- Czechoslovak Unit1
- Demszky, Gábor1
- Film Studio of the Hungarian Workers Militia1
- Fábry, Péter1
- Geréb, Anna2
- Group Inconnu1
- Hanák, Péter3
- Hegedüs, András1
- Historical Archives of the Hungarian State Security1
- Hungarian Institute for Public Opinion Research1
- Hungarian Ministry of the Interior3