Constantini Africani opera

(Constantini Africani medici de omnium morborum, qui homini accidere possunt, cognitione et curatione Liber [being in reality the work entitled Zād al-musāfir (" Viaticum peregrinantis ") by Ibn al-Jazzār, translated from the Arabic by Constantinus]. Constantini Africani . . . de animae & spiritus discrimine liber, ut quidam nolunt [being in reality the treatise on that subject by Qusṭā ibn Lūqā, translated from the Arabic, by Joannes Hispalensis] .).