Columbia subject headings:
Harvard subject headings:
Asia--Colonization--Economic aspects--History.
Germany--Colonies--Asia--History.
Qingdao (China)--History
Shandong Sheng (China)--History
Princeton subject headings:
Asia--Colonization--Economic aspects--History.
Germany--Colonies--Asia--History.
Qingdao (China)--History.
Shandong Sheng (China)--History.