Columbia subject headings:
Agriculture and state--Russia (Federation)--Volga River Region--History.
Political parties--Russia (Federation)--Volga River Region--History.
Volga River Region (Russia)--Rural conditions.
Harvard subject headings:
Agriculture and state--Russia (Federation)--Volga River Region--History.
Political parties--Russia (Federation)--Volga River Region--History.
Volga River Region (Russia)--Rural conditions.
Princeton subject headings: