- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)12,784
- Radio Free Europe/Radio Liberty, Inc - Research Institute4
- Samizdat Archives4
- Samizdat Archives of Radio Free Europe3
- Hanák, Péter2
- Alfred A. Reisch1
- Analytic Research Department1
- Andreas Sager, Daniel1
- Aron, Raymond1
- Bauerkämper, Arnd1
- Bernet, David1
- Beyme, Klaus von1
- Broer, Wolfgang1
- Campf, Lena1
- Communist International (Comintern)1
- Constitutional and Legal Policy Institute at OSI-Budapest1
- Csákó, Mihály1
- Czechoslovak Unit1
- Dalos, György1
- Der Konferenz über Sicherheit und Zusammenarbeit in Europa1