Catholic Encyclopedia
St. Martin of Braga, also called St. Martin Bracara or Martin of Dumio, monk, missionary, monastic founder, archbishop, ecclesiatical writer, d. 580.
For All the Saints
Short biography of St. Martin of Braga.
Martin of Braga: Opera omnia
The complete works of Martin of Braga (Martinus Dumiensis)--saint, bishop, and abbot, died 579 AD.