Cities and towns; Christian converts; Byzantine Empire; Greek language; Coptic language; Copts; Persecution; Politics; Roman Empire; Arab Conquest of Egypt; Arabic language; Monasteries; Coptic Church; Muslim converts from Christianity;
Bishops; Nestorius, Patriarch of Constantinople, fl. 428; Nestorians; Cyril, of Alexandria, Saint, ca. 370-444; Council of Ephesus (431); Latin language; Greek language; Letters; Manuscripts; Coptic language; Rome (Italy)
Christology; Divinity of Christ; Council of Constantinople (1st: 381); Council of Nicaea (1st: 325); Council of Ephesus (431); Council of Chalcedon (451)