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