Columbia subject headings:
Areal linguistics.
Finno-Ugric languages--Grammar, Comparative--Turkic.
Languages in contact--Russia (Federation)--Kama River Region.
Languages in contact--Russia (Federation)--Volga River Region.
Turkic languages--Grammar, Comparative--Finno-Ugric.
Harvard subject headings:
Areal linguistics
Turkic languages.
Princeton subject headings:
Areal linguistics.
Finno-Ugric languages--Grammar, Comparative--Turkic.
Languages in contact--Russia (Federation)--Kama River Region.
Languages in contact--Russia (Federation)--Volga River Region.
Turkic languages--Grammar, Comparative--Finno-Ugric.