Columbia subject headings:
Ethnology--Russia (Federation)--Mordovii︠a︡.
Mordovii︠a︡ (Russia)--Social life and customs.
Harvard subject headings:
Ethnology--Russia (Federation)--Mordovskai︠a︡ A.S.S.R.
Mordovii︠a︡ (Russia)--History.
Mordovskai︠a︡ A.S.S.R. (Russia)--Social life and customs.
Princeton subject headings: