Columbia subject headings:
Harvard subject headings:
China--Civilization--20th century--Congresses.
China--Civilization--German influences--Congresses.
China--Relations--Germany--Congresses.
Germany--Civilization--20th century--Congresses.
Germany--Civilization--Chinese influences--Congresses.
Germany--Relations--China--Congresses.
Princeton subject headings:
China--Civilization--1912-1949--Congresses.
China--Civilization--German influences--Congresses.
China--Relations--Germany--Congresses.
Germany--Civilization--20th century--Congresses.
Germany--Civilization--Chinese influences--Congresses.
Germany--Relations--China--Congresses.