Columbia subject headings:
Koreans--Russia (Federation)--Sakhalinskai︠a︡ oblastʹ.
Sakhalinskai︠a︡ oblastʹ (Russia)--History.
Harvard subject headings:
Koreans--Russia (Federation)--Sakhalinskai︠a︡ oblastʹ.
Sakhalinskai︠a︡ oblastʹ (Russia)--History.
Princeton subject headings: