Title: Leninskai︠a︡ postupʹ pi︠a︡tiletok
Subjects: Working class, History, Sources, Communism, Economic conditions, Industries
Places: Russia (Federation), Cheli︠a︡binskai︠a︡ oblastʹ, Cheli︠a︡binskai︠a︡ oblastʹ (Russia)