Columbia subject headings:
Russian language--Dialects--Poland.
Russian language--Dialects--Russia (Federation)--Pskovskai︠a︡ oblastʹ.
Russian language--Syntax.
Harvard subject headings:
Russian language--Dialects--Poland.
Russian language--Dialects--Russia (Federation)--Pskovskai͡a oblastʹ
Russian language--Infinitive.
Russian language--Russia (Federation)--Pskovskai︠a︡ oblastʹ--Dialects.
Princeton subject headings:
Russian language--Dialects--Poland.
Russian language--Dialects--Russia (Federation)--Pskov (Province).
Russian language--Syntax.