Columbia subject headings:
Korea--Research--Japan--History--20th century.
Koreans--Japan--History--20th century.
Nihon Chōsen Kenkyūjo--History--20th century--Sources.
Harvard subject headings:
Korea--Research--Japan--History--20th century.
Koreans--Japan--History--20th century.
Nihon Chōsen Kenkyūjo--History--20th century--Sources.
Nihon Chōsen Kenkyūjo--History--20th century.
Princeton subject headings:
Korea--Research--Japan--History--20th century.
Koreans--Japan--History--20th century.
Nihon Chōsen Kenkyūjo--History--20th century--Sources.
Nihon Chōsen Kenkyūjo--History--20th century.