Kitāb al-Badīʿ of ʿAbd Allāh ibn al-Muʿtazz : edited from the unique Ms. in the Escorial ; with introduction, notes, and indices by Ignatius Kratchkovsky. - Ibn al-Muʿtazz, ʿAbd Allāh, 861-908 (Luzac & co. ; Printed by S. Austin and sons, ltd., for the Trustees of the "E. J. W. Gibb memorial", 1935)