- Péter Forgács2
- Radio Free Europe/Radio Liberty, Inc - Research Institute5
- Romanian Unit1
- Rudzka, Marta1
- Rákosi, Mátyás2
- Révai, József2
- Samizdat Archives3
- Samizdat Archives of Radio Free Europe1
- Sayers, Michael1
- Sedykh, Andrei1
- Seldes, George1
- Shub, David1
- Staudte, Wolfgang1
- Steinbeck, John1
- Stolpner, Alexander1
- Szabó, Miklós1
- Szabó, Árpád1
- Thomson, George1
- Tomashivsʹkyĭ, Stepan1
- Towster, Julian1