 Themistius. Ishaq’s Arabic translation of the paraphrasis of the De Anima, mentioned in the bio-bibliographical  sources,[86]  is extant and edited (Lyons 1973; see also Browne 1986, 1998 and the overview by Elamrani Jamal 2003, 352–53). The Arabic translation of a Letter by Themistius On Government is attributed to Abu ʿUthman al-Dimashqi (Gutas 1975, 47).