MISIDENTIFICATION

Qānūn li-tarḥīl al-shams wa-al-qamar fī al-manāzil wa-maʿrifat awqāt al-layl wa-al-nahār_San Lorenzo de El Escorial_El Escoria Monastery Library of San Lorenzo_árabe_788 to Abū ʿAlī al-Ḥusayn ibn ʿAbd Allāh ibn Sīnā