O'Sullivan, Shaun (2006). "Coptic Conversion and the Islamization of Egypt"(PDF). Mamluk Studies Review: 65–79. doi:10.6082/M16Q1VB4.. O'Sullivan concludes in favor of an early date for Islamization during the 9th century, but cites Tamer el-Leithy as a recent defense of a later date during the 14th.
O'Sullivan, Shaun (2006). "Coptic Conversion and the Islamization of Egypt"(PDF). Mamluk Studies Review: 65–79. doi:10.6082/M16Q1VB4.. O'Sullivan concludes in favor of an early date for Islamization during the 9th century, but cites Tamer el-Leithy as a recent defense of a later date during the 14th.
