Columbia subject headings:
Harvard subject headings:
Ri, Kaisei, 1935---Journeys--Russia (Federation)--Sakhalin.
Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia)--Description and travel.
Princeton subject headings:
Koreans--Legal status, laws, etc.--Russia (Federation)--Sakhalin.
Ri, Kaisei, 1935---Journeys--Russia (Federation)--Sakhalin.
Sakhalin (Sakhalinskai︠a︡ oblastʹ, Russia)--Description and travel.