Biographical entry for St. Gildas the Wise, also called "Badonicus," born to a British family in Scotland, educated in Wales, monk, priest, died in 570.

Profile of the saint. With links.

A commentary by John Morris on the 6th-century author, a summary by Frank Reno of the confusions with others of the same name, the 11th-century and 12th-century lives and the Giles translation of De Excidio Brittaniae et Conquestu.

Biographical profile, by Karen Rae Keck.

Very brief biographical entry in the Columbia Encyclopedia.

Biography by David Nash Ford of the 6th-century author of "De Excidio Britanniae," drawing on the dubious 11th-century life by a monk of Rhuys.

From Alban Butler's Lives of the Saints.

The story of St. Gildas the Wise, suited to children. Preformatted line breaks can make this difficult to read.