“Le rôle du culte de Cheikh Hussein dans l’Islam des Arssi (Etiopie)”, ISSA, 5, 21-42.

Judhūr al-thaqāfa al-ʿArabiyya wa’l-taʿalīm fī Iritriyā. Cairo.

“Ethiopian Islam: a review of sources”, Paper presented to the International Symposium on Ethnography and History in Ethiopian Studies. Addis Ababa.

“Introducing an Arabic hagiography from Wallo”, in Proceedings of the Eighth International Conference of Ethiopian Studies, University of Addis Ababa 1984, ed. Taddese Beyene. 2 v…