St. Boniface and the Conversion of Germany - A letter from Pope Gregory II to Boniface; "Oath of Boniface to the Papacy;" and a short life of Boniface by Willibald. Saint Boniface, Martyr, Apostle of Germany - From the book "Lives of Saints," published by John J. Crawley. St. Boniface - Born Winfrid, a native of England, Benedictine monk, the Apostle of Germany, martyred in 755. Biographical article in the Catholic Encyclopedia. Boniface, Bishop, Missionary, Martyr - Biographical essay. With prayer in traditional and contemporary language. Saint Boniface, Archbishop of Mentz, Apostle of Germany, and Martyr - From Alban Butler's Lives of the Saints. Ecclesiae Fastos - Encyclical of Pope Pius XII, on St. Boniface. Promulgated in 1954. Saint Boniface of Mainz - Pious meditation on the life of St. Boniface, by Terry Matz. The Life of St. Boniface - Modern English translation of Willibald's life of the Anglo-Saxon missionary to Germany. From the Internet Medieval Sourcebook. Boniface - Illustrated profile of the Apostle of Germany.