Columbia subject headings:
Harvard subject headings:
Sakhalin (Sakhalinskai͡a oblastʹ, Russia)--History.
Princeton subject headings:
Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia)--Study and teaching--Japan--Congresses.
Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia)--Study and teaching--Russia (Federation)--Congresses.