Columbia subject headings:
Korea (North)--Relations--Korea (South)
Korea (South)--Relations--Korea (North)
Korea--History.
Korea--Name.
Harvard subject headings:
Korea (North)--Politics and government
Korea (South)--Politics and government
Korea--History--1945-
Korea--Name.
Princeton subject headings:
Korea (North)--Politics and government.
Korea (South)--Politics and government.
Korea--History--1945-
Korea--Name.