Columbia subject headings:
Cities and towns--Russia (Federation)--Volga River Region.
Demography--Russia (Federation)--Volga River Region.
Ethnology--Russia (Federation)--Volga River Region.
Volga River Region (Russia)--History.
Harvard subject headings:
Cities and towns--Russia (Federation)--Volga River Region.
Demography--Russia (Federation)--Volga River Region.
Ethnology--Russia (Federation)--Volga River Region.
Volga River Region (Russia)--History.
Princeton subject headings:
Cities and towns--Russia (Federation)--Volga River Region.
Demography--Russia (Federation)--Volga River Region.
Ethnology--Russia (Federation)--Volga River Region.
Volga River Region (Russia)--History.