- Radio Free Europe/Radio Liberty, Inc - Research Institute11
- Bortstieber, Gertrud6
- Samizdat Archives6
- Soviet Red Archives6
- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)5
- Hanák, Péter3
- Kluge, Alexander3
- Germany (West). Bundesministerium für Gesamtdeutsche Fragen2
- Héderváry, Claire de2
- Lewytzkyj, Borys2
- Nóvé, Béla2
- Open Media Research Institute2
- Petrowsky, A.2
- Rühle, Jürgen2
- Samizdat Archives of Radio Free Europe2
- Specovius, Günther2
- Weber, Hermann2
- Alfred A. Reisch1
- Analytic Research Department1
- Anders, Karl1