“The Emergence of Early Sufi Piety and Sunnī Scholasticism: ʿAbdallāh b. al-Mubārak and the Formation of Sunnī Identity in the Second Islamic Century. By Feryal Salem” (2020) Journal of the American Society for Premodern Asia, 140(1), p. 268. doi:10.7817/jaos.140.1.2020.brev001.