Columbia subject headings:
Harvard subject headings:
China--Foreign relations--Germany.
Germany--Foreign relations--China.
Shandong Sheng (China)--History.
Princeton subject headings:
China--Foreign relations--Germany.
Germany--Foreign relations--China.
Jiaozhou (China)--History--Sources.
Qingdao (China)--History--Sources.
Shandong Sheng (China)--History.