- 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
- Capra, Frank1
- Carr, Edward Hallett1
- Ciano, Galeazzo1
- Communist International1
- Communist International (Comintern)1
- Dangerfield, Elma1
- Garner, Frank Harold1
- Gray, Alexander1