1. Harvard University, MS Arab 143 Title: Mafātīḥ sharāʾiʻ al-Islām Author: Muḥammad ibn ʻĪsá ibn al-Ḥāj Manṣūr ibn al-Ḥāj Ḥasan Qāsim Faṣāʻī Date: 133 [750 or 751