On the harmony of Religion and Philosophy : a translation, with introduction and notes, of Ibn Rushd's Kitãb fasl al-maqal, with its appendix (Damima) and an extract from Kitab al-kashf 'an manahij al-adilla - Averroes 1126-1198 (E. J. W. Gibb Memorial (Messrs Luzac & Co). New Series, 1961)