Jihad in mediaeval and modern Islam : the chapter on Jihad from Averroes' legal handbook 'Bidayat al-mudjtahid' and the treatise 'Koran and fighting' by the late Shaykh-al-Azhar, Mahmud Shaltut - Averroës, 1126-1198; Shaltūt, Maḥmūd, 1893-1963; Peters, Rudolph (Brill, 1977)