(Life of Saint Columba, Founder of Hy. Written by Adamnan, Ninth Abbot of that Monastery, ed. William Reeves, 1874 Book 2 Chapter 28(Medieval SourcebookArchiviato il 29 giugno 2011 in Internet Archive.));
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(Life of Saint Columba, Founder of Hy. Written by Adamnan, Ninth Abbot of that Monastery, ed. William Reeves, 1874 Book 2 Chapter 28(Medieval SourcebookArchiviato il 29 giugno 2011 in Internet Archive.));