Columbia subject headings:
Burkina Faso--Antiquities.
Industries, Prehistoric--Burkina Faso.
Industries--Burkina Faso.
Iron founding--Burkina Faso--History.
Harvard subject headings:
Burkina Faso--Antiquities.
Industries, Primitive--Burkina Faso.
Iron founding--Burkina Faso--History.
Metallurgy--Burkina Faso--Bulkiemdé.
Princeton subject headings: