Kasser, R.; Meyer, M.; Wurst, G.; Ehrman, D.; Gaudard, F. (2008). The Gospel of Judas. National Geographic. p. 64f. ISBN978-1-4262-0048-9. Retrieved 22 June 2018.
Schoedel, William R. "Apocalypse of James, First". The Coptic encyclopedia, volume 1. Claremont Graduate University. School of Religion. Retrieved 15 February 2023.