Columbia subject headings:
Cotton trade--Africa, Central.
Cotton trade--Africa, West.
Cotton--Economic aspects--Africa.
Harvard subject headings:
Africa--History.
Cotton growing--Africa, Sub-Saharan--History.
Cotton trade--Africa, Sub-Saharan--History.
France--Colonies--History.
Princeton subject headings:
Cotton trade--Africa, Central.
Cotton trade--Africa, West.
Cotton--Economic aspects--Africa.