Letter CXXXIII. From Proterius, Bishop of Alexandria, to Leo.(Upon the Easter Difficulty of 455.) Share Close Share Tweet Save PREVIOUS Letter CXXXII. From Anatolius, Bishop of Constantinople, to Leo. NEXT Letter CXXXIV. To Marcian Augustus. Letter CXXXIII. From Proterius, Bishop of Alexandria, to Leo.(Upon the Easter Difficulty of 455.)Letter CXXXIII. From Proterius, Bishop of Alexandria, to Leo.(Upon the Easter Difficulty of 455.) PREVIOUS Letter CXXXII. From Anatolius, Bishop of Constantinople, to Leo. NEXT Letter CXXXIV. To Marcian Augustus.