Columbia subject headings:
Communism--Japan--History--20th century.
Koreans--Japan--History--20th century.
Nihon Kyōsantō--History.
Harvard subject headings:
Nihon Kyōsantō--History.
Princeton subject headings:
Communism--Japan--History.
Japan--History--20th century.
Korean War, 1950-1953.
Koreans--Japan.
Nihon Kyōsantō--History.
Socialist parties--Japan--History.