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