Columbia subject headings:
China--Foreign economic relations--Germany--History.
Germany--Foreign economic relations--China--History.
Railroads--China--Shandong Sheng--History.
Harvard subject headings:
China--Foreign economic relations--Germany
Germany--Foreign economic relations--China
Railroads--China--Shandong Sheng--History.
Princeton subject headings:
China--Foreign economic relations--Germany--History.
Germany--Foreign economic relations--China--History.
Railroads--China--Shantung--History.