Columbia subject headings:
Germans--Russia (Federation)--Volga River Region.
Volga River Region (Russia)--History.
Harvard subject headings:
Germans--Russia (Federation)--Volga River Region.
Germans--Russia--History.
Germans--Soviet Union--History
Volga River Region (Russia)--History.
Princeton subject headings:
Germans--Russia (Federation)--Volga River Region.
Volga River Region (Russia)--History.