Columbia subject headings:
Germany--Colonies--Description and travel.
Germany--Colonies--Oceania--History.
Qingdao (China)--Description and travel.
Harvard subject headings:
Germany--Colonies--Description and travel.
Germany--Colonies--Oceania--History.
Qingdao (China)--Description and travel.
Princeton subject headings:
Germany--Colonies--Description and travel.
Germany--Colonies--Oceania--History.
Qingdao (China)--Description.