Columbia subject headings:
Harvard subject headings:
China--Foreign economic relations--Japan--History--20th century--Sources.
Japan--Foreign economic relations--China--History--20th century--Sources.
Tariff--China--History--20th century--Sources.
Princeton subject headings:
China--Foreign economic relations--Japan--History--20th century--Sources.
Japan--Foreign economic relations--China--History--20th century--Sources.
Tariff--China--History--20th century--Sources.