Bright, W (1911). „Dioscorus (1), patriarch of Alexandria”. Ур.: Wace, Henry. Dictionary of Christian Biography (Christian Classics Ethereal Library, online изд.). London: John Murray. стр. 266. Приступљено 2. 8. 2021. „We find him, [Dioscorus] ... in correspondence with pope Leo the Great, who gave directions, as from the see of St. Peter, to the new successor of St. Mark; writing, on June 21, 445, that "it would be shocking (nefas) to believe that St. Mark formed his rules for Alexandria otherwise than on the Petrine model" (Ep. 11)”CS1 одржавање: Формат датума (веза) Овај чланак користи текст рада који је у јавном власништву.