^Wilhite, David E. (2017). Ancient African Christianity: An Introduction to a Unique Context and Tradition. London: Taylor & Francis. p. 275. ISBN978-1-13512-142-6.
^Allen, Pauline; Neil, Bronwen (2013). Crisis Management in Late Antiquity (410-590 CE): A Survey of the Evidence from Episcopal Letters. Leiden: Brill. p. 24. ISBN978-9-00425-482-4.
^A Dictionary of Early Christian Biography and Literature to the End of the Sixth Century A.D. with an Account of the Principal Sects and Heresies. Peabody: Hendrickson Publishers. 2014. p. 715. ISBN978-1-61970-269-1.