Names
- Pomerant︠s︡ev, Kirill1
- Pregelʹ, Sofii︠a︡, 1894-19721
- Prismanova, Anna1
- Raeff, Marc1
- Robinson, Geroid Tanquary, 1892-19711
- Roda Roda, 1872-19451
- Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡1
- Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ -- Bibliography1
- Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ -- History1
- Rudolʹf, V. V (Vladimir Vasilʹevich)1
- Schwarz, Solomon M.1
- Slonim, Marc, 1894-19761
- Stavrov, Perikl, 1895-19551
- Sumbatov, Vasiliĭ1
- Terapiano, I︠U︡riĭ, 1892-19801
- Trubet︠s︡koĭ, I︠U︡riĭ, 1902-19741
- T︠S︡ereteli, I. G. (Irakliĭ Georgievich), 1881-19591
- University of Chicago1
- Vakar, Gertruda, 1904-19731
- Valentinov, N. (Nikolaĭ), 1879-19641