- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)9,962
- Columbia University School of International Affairs358
- Héderváry, Claire de183
- Radio Free Europe/Radio Liberty, Inc - Research Institute12
- Bortstieber, Gertrud8
- Nóvé, Béla7
- Soviet Red Archives5
- Pallai, Péter4
- Csákó, Mihály3
- Hanák, Péter3
- Samizdat Archives3
- Aron, Raymond2
- Balogh, Eva S.2
- Cséry, László2
- Geréb, Anna2
- Gábor Magos2
- Hegedüs, András2
- Hungarian Ministry of the Interior2
- Institut zur Erforschung der UdSSR2
- International Commission of Jurists (1952- )2