Columbia subject headings:
Russian language--Dialects--Lexicology.
Russian language--Dialects--Russia (Federation)--Ri︠a︡zanskai︠a︡ oblastʹ.
Harvard subject headings:
Russian language--Dialects--Russia (Federation)--Ri︠a︡zanskai︠a︡ oblastʹ--Lexicology.
Princeton subject headings: