Columbia subject headings:
Harvard subject headings:
Korea (North)--Foreign relations--Korea (South)
Korea (South)--Foreign relations--Korea (North)
Korean reunification question (1945- )
Negotiation--Korea (North)
Nuclear weapons--Korea (North)
Princeton subject headings:
Korea (North)--Foreign relations--Korea (South)
Korea (South)--Foreign relations--2002-
Korea (South)--Foreign relations--Korea (North)
Korean reunification question (1945- )