Early Muslim Architecture: Umayyads, Early ʿAbbāsids and Ṭūlūnids. Part Two: Early ʿAbbāsids, Umayyads of Cordova, Aghlabids, Ṭūlūnids, and Samānids: A.D. 751-905by Keppel Archibald Cameron Creswell; Félix Hernández; Georges Marçais; ʿAbd al-Fattāḥ Ḥilmī; Ḥasan Abd al-Wahhāb