Columbia subject headings:
Koreans--Japan--History--20th century--Statistics.
Harvard subject headings:
Japan--Census, 1940.
Japan--Population--Statistics
Koreans--Japan--History--20th century--Statistics.
Koreans--Japan--History--20th century.
Princeton subject headings:
Japan--Census, 1940.
Japan--Population--Statistics.
Koreans--Japan--History--20th century.
Statistics.