Title: SSSR, Vostochnai︠a︡ Evropa, Vtorai︠a︡ mirovai︠a︡ voĭna, 1939-1941
Subjects: Historiography, Congresses, World War, 1939-1945, Foreign relations, History
Places: Eastern Europe, Soviet Union
Time periods: 1917-1945, 1918-1945