Columbia subject headings:
Harvard subject headings:
Korea (North)--Description and travel.
Korea (North)--Politics and government--1994-2011.
Korea (North)--Politics and government.
Korea (North)--Social conditions.
Korea (North)--Social condtions.
Princeton subject headings:
Korea (North)--Description and travel.
Korea (North)--Politics and government--1994-2011.
Korea (North)--Social conditions.