The Merovingians: Kingship, Institutions, Law, and History (Variorum Collected Studies)

Turks and Khazars: Origins, Institutions, Interactions in Pre Mongol Eurasia (Variorum Collected Studies)

Frankish History: Studies in the Construction of Power (Variorum Collected Studies)

Religion, Law and Learning in Classical Islam (Variorum Collected Studies)

History and Politics in Eleventh Century Baghdad (Variorum Collected Studies)