Nguyen, Martin. “The Comfort of the Mystics: A Manual and Anthology of Early Sufism. Edited by Gerhard Böwering and Bilal Orfali”. Journal of the American Oriental Society 136, no. 3 (December 16, 2021): 648–649. Accessed August 12, 2022. https://lockwoodonlinejournals.com/index.php/jaos/article/view/1393.