Columbia subject headings:
Africa, Eastern--History--19th century.
Africa, Eastern--Social conditions.
Africans--Health and hygiene--History--19th century.
Racism--Africa, Eastern.
Harvard subject headings:
Princeton subject headings:
Africa, Eastern--History--19th century.
Africa, Eastern--Social conditions--History.
Africans--Health and hygiene--History--19th century.
Racism--Africa, Eastern.