Pregill, Michael E. “‘Turn in Repentance to Your Creator, Then Slay Yourselves’: The Levitical Election, Atonement, and Secession in Early and Classical Islamic Exegesis”. Comparative Islamic Studies, vol. 6, no. 1-2, Dec. 2011, pp. 101-50, https://doi.org/10.1558/cis.v6i1-2.101.