- Pallai, Péter5
- Radio Free Europe/Radio Liberty, Inc - Research Institute5
- Bortstieber, Gertrud4
- Hanák, Péter3
- Samizdat Archives3
- Dallin, David J.2
- Nóvé, Béla2
- Balkan Section1
- Balogh, Eva S.1
- British Broadcasting Corporation, Written Archive Centre1
- Bullitt, William C.1
- Bączkowski, Włodzimierz1
- Carr, Edward Hallett1
- Communist International (Comintern)1
- Great Britain, Foreign and Commonwealth Office1
- Hegedüs, András1
- Lehrman, Harold Arthur1
- Library of Congress. Legislative Reference Service1
- Magos-Gimes, Judit1
- Miklós Hollós1