- Arnshtam, Leo1
- Aroneanu, Eugène1
- Balkan Section1
- Balogh, Eva S.1
- Białous, Ryszard1
- Binkley, Wilfred E.1
- Bocheński, Aleksander1
- Boldizsár, Iván1
- Braun, Vladimir1
- British Broadcasting Corporation, Written Archive Centre1
- Bujnowski, Józef1
- Bulla, Béla1
- Bullitt, William C.1
- Capra, Frank1
- Carr, Edward Hallett1
- Chiaureli, Mikhail1
- Ciano, Galeazzo1
- Communist International1
- Communist International (Comintern)1
- Czerwiński, Mieczysław1