Columbia subject headings:
Islands--Law and legislation--Case studies.
Law of the sea.
Territory, National--Japan.
Territory, National--Korea (South)
Tok Island (Korea)--History.
Harvard subject headings:
Boundary disputes.
Territory, National.
Tok Island (Korea)--International status.
Princeton subject headings:
Boundary disputes.
Territory, National.
Tok Island (Korea)--International status.