Alexandria; Bishops; Catechetical School of Alexandria; Codex; Coptic language; Constantine I, Emperor of Rome, d. 337; Greek language; Martyrs; Manuscripts; Papyri; Origen; Scholars
Roman Empire; Diocletian, Emperor of Rome, 245-313; Administration; Government; Egypt; Libya; Council of Constantinople (1st: 381); Council of Chalcedon (451); Justinian I, Emperor of the East, 483?-565; Monothelitism; Constantinople