Coptic Church; Bishops; Priests; Deacons; Council of Chalcedon (451); Canons; Fasting; Prayers; Patriarchs and patriarchate; Churches; Coptic language - Bohairic dialect; Arabic language
Council of Nicaea (1st: 325); Canons; Arabic language; Greek language; Latin language; Constantine I, Emperor of Rome, d. 337; Nestorians; Melchite Church; Syriac language; Theology