- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)27,380
- Radio Free Europe/Radio Liberty, Inc - Research Institute12
- Bortstieber, Gertrud8
- Nóvé, Béla7
- Rákosi, Mátyás5
- Hanák, Péter4
- Pallai, Péter4
- Samizdat Archives3
- Soviet Red Archives3
- Stalin, Joseph3
- Aczél, Tamás2
- Aldanov, Mark Aleksandrovich2
- Cséry, László2
- Erenburg, Ilʹia2
- Fischer, George2
- Geréb, Anna2
- Gorbatov, Boris Leontʹevich2
- Gábor Magos2
- Hegedüs, András2
- Illés, Béla2