Columbia subject headings:
Harvard subject headings:
Chinese literature--20th century--History and criticism.
Japanese literature--China.
Ozaki, Hotsumi--Friends and associates.
Sorge, Richard, 1895-1944
Princeton subject headings:
Chinese literature--20th century--History and criticism.
Japanese literature--China.
Ozaki, Hotsumi--Friends and associates.
Sorge, Richard, 1895-1944.