Columbia subject headings:
Karelians--Russia (Federation)--Tverskai︠a︡ oblastʹ.
Tverskai︠a︡ oblastʹ (Russia)--Ethnic relations.
Harvard subject headings:
Karelians--Russia (Federation)--Tverskai︠a︡ oblastʹ.
Tverskai︠a︡ oblastʹ (Russia)--Ethnic relations.
Princeton subject headings:
Tverskai︠a︡ oblastʹ (Russia)--History.