Columbia subject headings:
Harvard subject headings:
Africa, Sub-Saharan--Colonial influence--History.
Africa, Sub-Saharan--Economic conditions.
Africa, Sub-Saharan--Politics and government.
Africa, Sub-Saharan--Population--History.
Africa, Sub-Saharan--Rural conditions.
Working class--Africa, Sub-Saharan--History.
Princeton subject headings:
Africa, Sub-Saharan--History.
Africa, Sub-Saharan--Politics and government.
Africa, Sub-Saharan--Social conditions.