Mediaeval Isma'ili History and Thought.
Expectation of the Millennium: Shi'ism in History.
Temps cyclique et gnose ismaelienne.
Early Philosophical Shiism: The Isma'ili Neoplatonism of Abu Ya'qub al-Sijistani.
Crisis and Consolidation in the Formative Period of Shi'Ite Islam: Abu Ja'Far Ibn Qiba Al-Razi and His Contribution to Imamite Shi'Ite Thought.