Columbia subject headings:
A.S.S.R. Nemt︠s︡ev Povolzhʹi︠a︡ (R.S.F.S.R.)--History.
Germans--Russia (Federation)--Volga River Region--History.
Harvard subject headings:
A.S.S.R. Nemt︠s︡ev Povolzhʹi︠a︡ (R.S.F.S.R.)--History.
Germans--Russia (Federation)--Volga River Region--History.
Germans--Soviet Union--History
Russian Germans--History.
Princeton subject headings:
Germans--Soviet Union--History.
Russian Germans--History.