Columbia subject headings:
Harvard subject headings:
Korea--Social life and customs.
Koreans--China--Social life and customs.
Koreans--Japan--Social life and customs.
Koreans--Russia (Federation)--Social life and customs.
Refugees--Korea (North)--Social life and customs.
Princeton subject headings:
Korea--Social life and customs--History.
Koreans--Foreign countries--Social life and customs.