- Radio Free Europe/Radio Liberty Research Institute (RFE/RL Research Institute)52
- Lewytzkyj, Borys3
- Adenauer, Konrad2
- Bahrmann, Hannes2
- Dalos, György2
- Fricke, Karl Wilhelm2
- Matthias, Erich2
- Mlynář, Zdeněk2
- Pohle, Heinz2
- Afanasʹev, IU. N.1
- Alʹbats, Evgeniia1
- Amal'rik, Andrei1
- Anders, Karl1
- Antonescu, Mihail1
- Backes, Uwe1
- Bakatin, V. V.1
- Balkan Section1
- Bauerkämper, Arnd1
- Binkley, Wilfred E.1
- Blumer, Giovanni1