Risāla fī ḥarakat al-daḥraja wa-’l-nisba bayn al-mustawī wa-’l-munḥanī  (Treatise on rolling motion and the relation between the straight and the curved), in Arabic. This work has been translated into German (partially) and Russian, and subject to several studies; see Rosenfeld/Ihsanoğlu, p. 234 (M5). [FJR, New Dictionary of Scientific Biography]