Columbia subject headings:
Harvard subject headings:
Peasants--Russia (Federation)--Volga River Valley.
Volga River Valley (Russia)--History.
Volga River Valley (Russia)--Social life and customs.
Princeton subject headings:
Peasants--Russia (Federation)--Volga River Valley.
Volga River Valley (Russia)--History.
Volga River Valley (Russia)--Social life and customs.