, Yūsuf ( Yünus ?) b. Isḥāḳ al-Isrāʾīlī , Judaeo-Arab physician and pharmacist who lived in Almeria ca. 1100 A.D. There he wrote the K. al-Mustaʿīnī for al-Mustaʿīn billāh Abū D̲j̲aʿfar Aḥmad b. Yūsuf al-Muʾtamin billāh (reigned 478-503/1085-1109), the Hūdid ruler of Saragossa [see hūdids ], after whom the work was named.

The book must have attracted attention immediately, for it is often quoted by al-G̲h̲āfiḳī [q.v. above], a younger contemporary of Ibn Biklāris̲h̲, in his K. al-Adwiya al-mufrada ; in the Latin version of the latter under the name Buclaris or Boclaris (i…