Columbia subject headings:
Africa, French-speaking West--Commerce--History.
Commercial associations--Africa, French-speaking West--History.
Compagnie française de l'Afrique occidentale.
France--Commerce--Africa, French-speaking West.
Société Optorg.
Société commerciale de l'Ouest africain.
Harvard subject headings:
Colonial companies--France--History.
Compagnie française de l'Afrique occidentale--History.
Optorg (Organization)--History.
Société commercial de l'Ouest africain--History.
Princeton subject headings:
Africa, French-speaking West--Commerce--History.
Commercial associations--Africa, French-speaking West--History.
Compagnie française de l'Afrique occidentale.
France--Commerce--Africa, French-speaking West.
Optorg (Organization)
Société commerciale de l'Ouest africain.