Columbia subject headings:
Bilingualism--Russia (Federation)--Mordovii︠a︡.
Mordovii︠a︡ (Russia)--History.
Mordovii︠a︡ (Russia)--Languages.
Mordovii︠a︡ (Russia)--Population.
Mordvins--Languages.
Harvard subject headings:
Languages in contact--Russia (Federation)--Mordovii͡a--History.
Languages in contact--Russia--Mordvinia--History.
Mordovii︠a︡ (Russia)--Ethnic relations.
Mordvin language.
Princeton subject headings: