The prime source for Patrick's life is the Confessions, a moving apology for his life and work written during his last years. Some years earlier he had written the Letter to the Soldiers of Coroticus. This is an angry appeal to raiders, supposedly Roman-British Christians, to repudiate their ruler Coroticus for his bloody raid on Ireland and to return the women taken captive. St. Patrick was probably the author of the Lorica (or Breastplate ) of St. Patrick, also called The Cry of the Deer (in Irish, Fáed Fíada ), a mystic poem of faith written in Irish and Latin. See L. Bieler, ed., Works of Saint Patrick (1953); biographies by J. B. Bury (1905, repr. 1998), P. Gallico (1958), and P. Freeman (2004); study by R. P. C. Hanson (1968).
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