Columbia subject headings:
Africa, West--Commerce--Statistics.
Africa, West--Economic conditions--Statistics.
Consumption (Economics)--Africa, West--Statistics.
Harvard subject headings:
Africa, French-speaking West--Commerce--Statistics.
Africa, French-speaking West--Economic conditions--Statistics.
Africa, West--Commerce--Statistics.
Africa, West--Economic conditions--1960---Statistics.
Commercial products--Africa, French-speaking West--Statistics.
Commercial products--Africa, West--Statistics.
Princeton subject headings: