- Bortstieber, Gertrud8
- Radio Free Europe/Radio Liberty, Inc - Research Institute5
- Hanák, Péter3
- Kautsky, Karl2
- Nóvé, Béla2
- Samizdat Archives2
- Antonescu, Mihail1
- Aroneanu, Eugène1
- Balkan Section1
- Binkley, Wilfred E.1
- Buber-Neumann, Margarete1
- Buckreis, Adam1
- Bulgarian Unit1
- Communist International (Comintern)1
- Curtius, Ernst Robert1
- Dietrich, Otto1
- Fischer, Kurt J.1
- Fischer-Weth, Kurt1
- Free Europe Committee, Inc1
- Gafencu, Grigore1