Columbia subject headings:
Korea (North)--Economic conditions--21st century.
Korea (North)--Politics and government.
Korea (North)--Social conditions--21st century.
Korea (North)--Social life and customs--21st century.
Political culture--Korea (North)
Socialism--Korea (North)
Harvard subject headings:
Korea (North)--Politics and government--21st century.
Korea (North)--Social policy--21st century.
Princeton subject headings:
Korea (North)--Economic conditions--21st century.
Korea (North)--Politics and government.
Korea (North)--Social conditions--21st century.
Korea (North)--Social life and customs--21st century.
Political culture--Korea (North).
Socialism--Korea (North)