Berg, H. 2021. Reconstruction of a Source of Ibn Isḥāq’s Life of the Prophet and Early Qurʾān Exegesis: A Study of Early Ibn ʿAbbās Traditions. By Harald Motzki. JAOS. 140, 1 (Sep. 2021), 227–228. DOI:https://doi.org/10.7817/jaos.140.1.2020.rev001.