- Bortstieber, Gertrud8
- Radio Free Europe/Radio Liberty, Inc - Research Institute5
- Bergmann-Michel, Ella4
- Buckreis, Adam3
- Hanák, Péter3
- Brentano, Lujo2
- Kautsky, Karl2
- Nóvé, Béla2
- Samizdat Archives2
- Andreev, Vasilii1
- Antonescu, Mihail1
- Aroneanu, Eugène1
- Auerbach, Alfred1
- Balkan Section1
- Bergman-Michel, Ella1
- Bernstein, Eduard1
- Binkley, Wilfred E.1
- Buber-Neumann, Margarete1
- Bulgarian Unit1
- Bystrianskiĭ, V.1