- Pronin, Vasilii1
- Reischauer, Edwin O.1
- Reitz, Edgar1
- Ripka, Hubert1
- Rodenhauser, Reiner1
- Romanian Unit1
- Romm, Mikhail1
- Rouch, Jean1
- Rowse, A. L.1
- Rura, Michael J.1
- Samizdat Archives of Radio Free Europe1
- Saġirašvili, D.1
- Schamoni, Peter1
- Schwartz, Harry1
- Serbet, Jean-Paul1
- Seton-Watson, Hugh1
- Simmons, Ernest Joseph1
- Slesicki, Wladyslaw1
- Smith, G. E. Kidder1
- Stawar, Andrzej1