S. McDowell, The Fate of the Apostles: Examining the Martyrdom Accounts of the Closest Followers of Jesus, Taylor & Francis, (ISBN978-1-317-03190-1, lire en ligne), p. 126
Greg Ritchie, « Heretical text of Jesus' brother found in Oxford », Cherwell, (lire en ligne, consulté le )
newsweek.com
Kastalia Medrano, « First Copy of Jesus's Secret Writings to His Brother Recovered From Antiquity in Original Greek », Newsweek, (lire en ligne, consulté le )