Columbia subject headings:
Japan--Foreign relations--Korea.
Korea--Foreign relations--Japan.
Koreans--Japan--History--20th century.
Koreans--Japan--History--21st century.
Koreans--Japan--Social conditions--20th century.
Koreans--Japan--Social conditions--21st century.
Harvard subject headings:
Japan--Foreign relations--Korea.
Korea--Foreign relations--Japan.
Koreans--Japan--History
Koreans--Japan--Social conditions
Princeton subject headings:
Japan--Foreign relations--Korea.
Korea--Foreign relations--Japan.
Koreans--Japan--History.
Koreans--Japan--Social conditions.