Bodleian Library MS. Marsh 144. 111/435. (p. 101) "Cassiopeia (dhat al-kursi), the woman with the throne. (Constellations of the northern hemisphere). | Al-Sufi's Book of the Fixed Stars, a revision of Ptolemy's Almagest with Arabic star names and drawings of the constellations. Dated 1009-10 (A.H. 400)"