Al-Muḥāsibī , : an early mystic of Baghdada ; a study of the life, teaching and writings of Abu ʿAbdallah Ḥarith Ben Asad, ʿAnazi, called al-Muḥasibi, Master of primitive islamic mysticism and precursor of the great muslim mystics, Basra, ca A.H. 165 - Baghdad A.H. 243 ; based on unpublished manuscript sources, with notes, references, a short bibliography, and two indexes - Smith, Margaret, 1884-1970 (Philo Press, 1974)
NST: Al-Muḥasibi, 781 - 857, mystic of Baghdad