- Simmons, Ernest J.1
- Slonim, Marc1
- Soiuzmultfilm1
- Sosnkowski, Kazimierz1
- Stevens, Leslie C.1
- Suchý, Čestmír1
- Sulimirski, Tadeusz1
- Szabó, Miklós1
- Sztachova, Jirina1
- TSentralʹnyi gosudarstvennyi arkhiv literatury i iskusstva SSSR1
- Thürk, Harry1
- Tolstoy, Aleksey Nikolayevich1
- Trubetskaia, Ol'ga Nikolaevna1
- Tsentralnaia Studiia Dokumentalnykh Filmov (TsSDF)1
- Unesco1
- United Nations. Dept. of Social Affairs1
- United States. Congress. Joint Committee on Atomic Energy1
- Varga, László1
- Vennard, Edwin1
- Viner, Jacob1