Columbia subject headings:
Harvard subject headings:
Germany--Colonies--Africa
Labor mobility--Tanzania--History.
Migrant labor--Tanzania--History.
Racism--Tanzania--History.
Working class--Tanzania--History.
Princeton subject headings:
Bureaucracy--Tanzania--Administration.
Germany--Colonies--Administration.
Germany--Colonies--Africa, East--History.
Germany--Colonies--Africa--Administration.
Imperialism--Social aspects--Germany--History.
Tanzania--Emigration and immigration--History.