- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)8
- Adamec, Ludwig W.1
- Dyck, Harvey Leonard1
- Fel'shtinskii, IUrii1
- Gafencu, Grigore1
- Germany (West). Auswärtiges Amt1
- Germany. Auswärtiges Amt1
- Hilger, Gustav1
- Leningradskaia Studiia Dokumentalnykh Filmov (LSDF)1
- Lennauchfilm1
- Linke, Horst Günther1
- McSherry, James E.1
- Mehnert, Klaus1
- Mucha, Stanislaw1
- Niekrasz, Lech1
- Read, Anthony1
- Rees, Laurence1
- Rossi, A.1
- Schafranek, Hans1
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)1