Columbia subject headings:
China--Foreign relations--21st century.
China--Foreign relations--Japan.
Japan--Foreign relations--21st century.
Japan--Foreign relations--China.
Harvard subject headings:
China--Foreign relations--21st century.
China--Foreign relations.
Japan--Foreign relations
Japan--Foreign relations--21st century.
Princeton subject headings:
China--Foreign relations--21st century.
China--Foreign relations--Japan.
Japan--Foreign relations--21st century.
Japan--Foreign relations--China.