Ibn Abd al-Barr: Al-Qasd wal-Umam fi Nasab al-Arab wal-Ajam (The Endeavors and the Nations:
Genealogies of the Arabs and Non-Arabs)(d1071)
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Taken from: Alwaraq
And all the other children of Ham and their religions, Beja (1), and Nubia, and varieties with are close from each other, and Zinj races, too, and most of those are worshiping idols, wood and exotic animals and birds.
(1) Beja: in N Sudan. The Egyptians leaving from Aswan; the southern border town on the Nile; have to cross their territory to reach the harbours on the Red Sea.
Left a modern edition of the work