Columbia subject headings:
China--Civilization.
China--Relations--Europe.
China--Relations--United States.
Europe--Relations--China.
United States--Relations--China.
Harvard subject headings:
China--Civilization.
China--Relations--Europe.
China--Relations--United States.
Europe--Relations--China.
United States--Relations--China.
Princeton subject headings:
China--Civilization--960-1644.
China--Relations--Europe.
China--Relations--United States.
Europe--Relations--China.
United States--Relations--China.