Untertitel: | in the Iḥṣāʾ al-ʿulūm (Escorial Library, Madrid, No. 646), De scientiis (British Museum, Cott. MS. Vesp. B. X., and Bibl. Nat., Paris, No. 9335), and De ortu scientiarum (Bibl. Nat., Paris, No. 6298, and Bodleian Library, Oxford, No. 3623), etc. |