Title: 51-i︠a︡ godovshchina Velikoĭ Okti︠a︡brʹskoĭ sot︠s︡ialisticheskoĭ revoli︠u︡t︠s︡ii
Subjects: Anniversaries, History, Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za, Kommunisticheskai︠a︡ partii︠a︡ Sovetskogo Soi︠u︡za. S″ezd 1966 : Moscow, Russia)
Places: Soviet Union
Time periods: Revolution, 1917-1921