Columbia subject headings:
Harvard subject headings:
Territory, National--Japan.
Territory, National--Korea (South)
Tok Island (Korea)--History--Maps.
Tok Island (Korea)--History--Pictorial works.
Princeton subject headings:
Japan, Sea of--Maps--Early works to 1800.
Japan, Sea of--Pictorial works.
Tok Island (Korea)--Maps--Early works to 1800.
Tok Island (Korea)--Pictorial works.