Names
- Lenin, Vladimir Ilʹich, 1870-19241
- Litvinov, M. M (Maksim Maksimovich), 1876-19511
- Lozovskiĭ, A., 1878-19521
- Lunacharsky, Anatoly Vasilievich, 1875-19331
- Luxemburg, Rosa, 1871-19191
- Mussolini, Benito, 1883-19451
- Nicolaevsky, Boris I., 1887-19661
- Plekhanov, Georgiĭ Valentinovich, 1856-19181
- Pokrovskiĭ, M. N. (Mikhail Nikolaevich), 1868-19321
- Raeff, Marc1
- Robinson, Geroid Tanquary, 1892-19711
- Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ -- Bibliography1
- Rossiĭskai︠a︡ sot︠s︡ial-demokraticheskai︠a︡ rabochai︠a︡ partii︠a︡ -- History1
- Rudolʹf, V. V (Vladimir Vasilʹevich)1
- Schwarz, Solomon M.1
- Semkovskiĭ, S1
- Snowden, Philip Snowden, Viscount, 1864-19371
- Socialist Movement (Great Britain)1
- Stanley, Edward Lyulph, 1839-19251
- Trotsky, Leon, 1879-19401