1. Zones of Theory in the Anthropology of the Arab World
2. Some Aspects of the Umari Branch of the Tijaniyya
3. Abun-Nasr, Jamil. 1965. The Tijaniyya: A Sufi Order in the Muslim World. London: Oxford University Press.
4. Akbar, Ahmed and David Hart, eds. 1984. Islam in Tribal Societies from the Atlas to the Indus London: Routledge & Kegan Paul.
5. The Concept of Authority in Islamic Thought.;Arkoun,1988