Columbia subject headings:
Harvard subject headings:
China--Foreign relations--Germany.
Germany--Colonies--History.
Germany--Foreign relations--China.
Qingdao (China)--History.
Princeton subject headings:
China--Civilization--Western influences.
Germany--Relations--China--Qingdao.
Qingdao (China)--History.
Qingdao (China)--Relations--Germany.