Columbia subject headings:
Ethnology--Russia (Federation)--Volga-Ural Region.
Finno-Ugrians--Russia (Federation)--Volga-Ural Region.
Turkic peoples--Russia (Federation)--Volga-Ural Region.
Volga-Ural Region (Russia)--History.
Harvard subject headings:
Ethnology--Russia (Federation)--Volga-Ural Region.
Princeton subject headings: