(4) Periodicals: 1. Zaher Riyad: Egyptian African Trends in the Middle Ages, Journal of the Faculty of Arts, Cairo University, May 1958. 2. Sharif Muhammad Sharif: Settlement of West African Elements in Sudan, Journal of the Faculty of Arts, Cairo University, December 1962. 3. Sharif Muhammad Sharif: The City of Atbara in Sudan, Journal of African Studies, Cairo, 1978. 4. Muhammad Muhammad Amin: The Abdallab and the Fall of the Kingdom of Alwa, Journal of African Studies, Cairo, 1973. 5. Mustafa Muhammad Saad: The Beja and the Arabs in the Middle Ages, Journal of the Faculty of Arts, Cairo, 1967, Issue 13. 6. Mustafa Muhammad Saad: The Sultanate of Darfur, The Egyptian Historical Review, Issue 21, Cairo, 1963. 7. Yusuf Fadl Hassan: Main Features of Arab Migration to Sudan, The Egyptian Historical Review, Issue 13, Cairo, 1967. 8. Abd al-Fattah Muqallad al-Ghunnaymi: Arab Migrations Around Lake Chad, Al-Arab Magazine, Riyadh, Shawwal 1398 AH.

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