- People, Tribes And Society In Arabia Around The Time Of Muhammad (Variorum Collected Studies Series)
- Al-Maqrīzī’s al-Ḫabar ʿan al-bašar: Volume IV, Section 2: The Idols of the Arabs (Bibliotheca Maqriziana, 8)
- Studies on the Life of Muhammad and the Dawn of Islam: Idol Worshippers, Christians and Jews in Pre- and Early Islam
- The 'Constitution of Medina': Muhammad's First Legal Document
- The Banu Sulaym: A Contribution to the Study of Early Islam








