Columbia subject headings:
Korea (North)--Economic conditions.
Korea--Economic conditions.
Korea--Politics and government--1948-
Harvard subject headings:
Korea (North)--Politics and government.
Korea (South)--Politics and government--1948-1960.
Korea--Economic conditions.
Princeton subject headings:
Korea (North)--Politics and government.
Korea (South)--Politics and government--1948-1960.
Korea--Economic conditions.