Rizvi, S. (2016). Epistles of the Brethren of Purity: Sciences of the Soul and Intellect Part I. An Arabic Critical Edition and English Translation of Epistles 32-36 By Paul E. Walker, Ismail K. Poonawala and David Simonowitz, Godefroid de Callatay, eds./trans. (Oxford: Oxford University Press in association with the Institute of Ismaili Studies, 2016. 434 pages.). American Journal of Islam and Society, 33(4), 106–109. https://doi.org/10.35632/ajis.v33i4.940