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 | Catholic Encyclopedia: St. Columba - Also known as Columcille. Long article on the Irish-born monk, founder and abbot of Iona. He died in 597.
|  | Catholic Online: St. Columba - Brief biography.
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 | Columba, Abbot of Iona and Missionary - Brief biography. With prayer in traditional and contemporary language.
|  | Columba of Iona - Short biography, by Karen Rae Keck.
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 | Columbia Encyclopedia: Columba, Saint - Brief biographical entry.
|  | Encyclopædia Britannica: Columba, Saint - Biography of the sixth-century Irish monk and missionary. In the 11th edition (1911).
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 | For All the Saints: Columba - Also called Columbus, Combs, or Columkill. Long hagiographical essay.
|  | Life of St. Columba - A translation from the Latin. Written by Adamnan. 242K.
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 | Manx Notebook: St. Columba - Brief illustrated biography.
|  | Patron Saints Index: Columba - Also known as Colmcille. Illustrated profile.
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 | Saint Columba, Abbot, Confessor - From the book "Lives of Saints," published by John J. Crawley.
|  | St. Columba, or Columcille, 521-597 - Short biography.
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 | St. Columba, or Columkille - Hagiography. From Alban Butler's Lives of the Saints.
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