Columbia subject headings:
Harvard subject headings:
China--Civilization--Congresses.
China--Relations--Europe--Congresses.
Europe--Relations--China--Congresses.
Missions--China--History--Congresses.
Princeton subject headings:
China--Civilization--Congresses.
China--Relations--Europe--Congresses.
Europe--Relations--China--Congresses.
Missions--China--History--Congresses.