Columbia subject headings:
Harvard subject headings:
Korea (North)--Economic conditions
Korea (North)--Foreign economic relations--Korea (South)
Korea (South)--Foreign economic relations--Korea (North)
Korean reunification question (1945-)
Princeton subject headings:
Korea (North)--Economic conditions.
Korea (North)--Foreign economic relations--Korea (South)
Korea (South)--Foreign economic relations--Korea (North)
Korean reunification question (1945- )