Columbia subject headings:
Africa, North--Civilization--Congresses.
Berbers--Congresses.
Mediterranean Region--Civilization--Congresses.
Harvard subject headings:
Africa, North--Civilization--Congresses.
Berbers--Congresses.
Mediterranean Region--Civilization--Congresses.
Princeton subject headings:
Africa, North--Civilization--Congresses.
Berbers--Congresses.
Mediterranean Region--Civilization--Congresses.