Title: Sot︠s︡ialʹno-ėkonomicheskoe polozhenie trudi︠a︡shchikhsi︠a︡ Srednego Povolzhʹi︠a︡
Subjects: Working class, History, Social conditions
Places: Russia (Federation), Volga River Region, Volga River Region (Russia), Russia
Time periods: 1801-1917