Saints; Bishops; Monks; Scetis; Homilies; John Colobos, Saint, ca. 339-409; Biographies; Apophthegmata Patrum; Coptic language - Bohairic dialect; Arabic literature
Emperors; Roman Empire; Council of Chalcedon (451); Chalcedonian Church; Patriarchs and patriarchate; Exile; Nestorius, Patriarch of Constantinople, fl. 428; Eutyches, ca. 375- ca. 454; Administration