Commentary on 'al-Aqa'id al-Nasafiyyah' of Abu Ḥafs Umar Najm al-Din al-Maturidi al-Nasafi (d. 537/1142.) by Mas'ud ibn Umar al-Taftazani (d.791/1389?). Al-Aqai'd is Nasafi's famous work in Sunni Islamic Creed, and Taftazani's famous commentary is succinct and accurate.