Title: O revoli͡ut͡sii i sot͡sializme
Subjects: History, Communism, Socialism
Places: Russia, Soviet Union
People: P. B. Akselʹrod (1850-1928), L. Martov (1873-1923), A. N. Potresov (1869-1934)
Time periods: Revolution, 1905-1907, Revolution, 1917-1921