Hwang, Alexander Y. (24 December 2009). "Manifold Grace in John Cassian and Prosper of Aquitaine". Scottish Journal of Theology. 63 (1): 93–108. doi:10.1017/S003693060999024X. S2CID170498980.
Saak, E.L. (2002). "Pelagian/anti-Pelagian Preaching: Predestination, Grace, and Good Works in the Sermons of Jordan of Quedlinburg, Oesa (D. 1380)". Augustiniana. 52 (2/4): 311–334. ISSN0004-8003. JSTOR44992752.
Hwang, Alexander Y. (24 December 2009). "Manifold Grace in John Cassian and Prosper of Aquitaine". Scottish Journal of Theology. 63 (1): 93–108. doi:10.1017/S003693060999024X. S2CID170498980.
Saak, E.L. (2002). "Pelagian/anti-Pelagian Preaching: Predestination, Grace, and Good Works in the Sermons of Jordan of Quedlinburg, Oesa (D. 1380)". Augustiniana. 52 (2/4): 311–334. ISSN0004-8003. JSTOR44992752.
worldcat.org
Lauren Pristas (1993), The Theological Anthropology of John Cassian, PhD dissertation, Boston College, OCLC39451854