Columbia subject headings:
Harvard subject headings:
Africa--Colonization--Social aspects--History.
Asia--Colonization--Social aspects--History.
Germany--Colonies--Africa--History.
Germany--Colonies--Asia--History.
Germany--Colonies--Oceania--History.
Oceania--Colonization--Social aspects--History.
Princeton subject headings:
Africa--Colonization--Social aspects--History.
Asia--Colonization--Social aspects--History.
Germany--Coloneis--Asia--History.
Germany--Colonies--Africa--History.
Germany--Colonies--Oceania--History.
Oceania--Colonization--Social aspects--History.