Columbia subject headings:
Languages in contact.
Slavic languages, Eastern--Foreign words and phrases--Turkic.
Slavic languages, Eastern--Grammar, Comparative.
Harvard subject headings:
Languages in contact--Europe, Eastern.
Russian language--Foreign words and phrases--Turkic
Slavic languages--Foreign words and phrases--Turkic
Princeton subject headings:
Languages in contact.
Slavic languages, Eastern--Foreign words and phrases--Turkic.
Slavic languages, Eastern--Grammar, Comparative.