ORIENTALIA LOVANIENSIA ANALECTA ————— 177 ————— ‘ABBASID STUDIES II edited by JOHN NAWAS UITGEVERIJ PEETERS en DEPARTEMENT OOSTERSE STUDIES LEUVEN – PARIS – WALPOLE, MA 2010 Occasional Papers of the School of ‘Abbasid Studies Leuven 28 June – 1 July 2004