Letter CIII. To the Gallic Bishops. Share Close Share Tweet Save PREVIOUS Letter CII. To the Gallic Bishops. NEXT Letter CIV. Leo, the Bishop, to Marcian Augustus. Letter CIII. To the Gallic Bishops.Letter CIII. To the Gallic Bishops.(Written later: enclosing a copy of the sentence against Eutyches and Dioscorus.) PREVIOUS Letter CII. To the Gallic Bishops. NEXT Letter CIV. Leo, the Bishop, to Marcian Augustus.