1.. "Popular Islam and Tribal Leadership in the Socio-Political Structure of North Sudan", in M. Milson (ed.), Society and Political Structure in the Arab World, (New York: Humanities Press, ۱۹۷۴), pp.۲۳۱-۲۸۰; also published in Hebrew by Van-Leer Foundation, ۱۹۷۲.

2.. "The Challenge of Populist Islam in Egypt and the Sudan in the ۱۹۷۰s", in G.S. Wise & Charles Issawi, (eds.), Middle East Perspectives: the Next Twenty Years, Princeton: Darwin Press, ۱۹۸۱, ۱۰۵-۱۲۸.

3.. "Islam and Politics in Egypt", International Journal of Middle East Studies (MES), Vol. ۱۸,(۱۹۸۲).

4.. "Islam and State in Numayri's Sudan", Africa, Vol.۵۵/۴, (۱۹۸۵): ۴۰۰-۱۳; also in J.D.Y. Peel & C.C.Stewart, (eds.), Popular Islam South of the Sahara, (Manchester University Press, ۱۹۸۵).

5.. "Radical Islam and Regional Ambitions", Analysis, ۴ (October ۱۹۹۳), ۱-۶.

6.. "Mahdism and Islamism in Sudan", IJMES, ۲۷(۱۹۹۵), ۲۱۹-۳۶.

1.. Historical Discord in the Nile Valley, London: C. Hurst & Evanston: Northwestern University Press, ۱۹۹۲.

2.. With Aharon Layish, The Revival of Islamic Law Under Numayri, (forthcoming).

3.. Sudan: Islam, Sectarianism and Politics Since the Mahdiyya, London: C. Hurst, forthcoming.

4.. Islam Nationalism and Radicalism in Egypt and the Sudan, New York, Praeger Publications, ۱۹۸۳, co-editor: Uri M. Kupferschmidt.

5.. Studies in Islamic Society, Contributions in Memory of Gabriel Baer, (Haifa University Press and E.J. Brill Leiden, ۱۹۸۴) co-editor: Gad G. Gilbar.

6.. AAS

7.. "Religious Policy in the Northern Sudan: `Ulama' and Sufism ۱۸۹۹-۱۹۱۶", AAS, ۷(۱۹۷۱):۸۹-۱۱۹; also in Hebrew in G. Baer, (ed.), `Ulama' and Religious Problems in the Islamic World, (Jerusalem: Magness Press, ۱۹۷۱), ۱۶۷-۸۵.