Columbia subject headings:
Harvard subject headings:
Koreans--Russia (Federation)--Sakhalin.
Sakhalin (Sakhalinskai͡a oblastʹ, Russia)--Ethnic relations.
Princeton subject headings:
Koreans--Russia (Federation)--Sakhalin.
Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia)--History.