- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)772
- Radio Free Europe/Radio Liberty, Inc - Research Institute8
- Nóvé, Béla6
- Soviet Red Archives5
- Bortstieber, Gertrud4
- Geréb, Anna2
- Hanák, Péter2
- Jouvenel, Renaud de2
- Alfred A. Reisch1
- Analytic Research Department1
- Bernanos, Georges1
- Bulgarian Unit1
- Bálint, László1
- Ciorănescu, Georges1
- Cliff, Tony1
- Communist International (Comintern)1
- Czechoslovak Unit1
- Dolléans, Edouard1
- Fondation pour une entraide intellectuelle européenne, FEIE1
- Girard, Alain1