Introduction -- Yūsuf al-Baṣīr's Refutation of Abu l-Ḥusayn al-Baṣrī's Proof for the existence of God -- Excerpt from part two of Sahl b. al-Faḍl al-Tustarī's Maqdisiyāt -- Excerpt from Sahl b. al-Faḍl al-Tustarī's Book of intimation (Kitāb al-talwīḥ ilā l-tawḥīd wa l-adl) -- Excerpt from the Book of revision of the Book of Aristotle on metaphysics by Sahl b. al-Faḍl al-Tustarī -- Facsimiles