Columbia subject headings:
Korea (North)--Foreign relations--Korea (South)
Korea (North)--Foreign relations.
Korea (North)--Politics and government.
Korea (South)--Foreign relations--Korea (North)
Korea (South)--Foreign relations.
Korea (South)--Politics and government.
Harvard subject headings:
Korea (North)--Foreign relations--Korea (South)
Korea (North)--Foreign relations.
Korea (North)--Politics and government.
Korea (South)--Foreign relations--Korea (North)
Korea (South)--Foreign relations.
Korea (South)--Politics and government.
Princeton subject headings: