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Catholic Encyclopedia
http://www.newadvent.org/cathen/03014a.htm
St. Bruno, Bishop of Segni, reformer, Benedictine abbot, author of commentaries on Scripture, d. 1193.
For All the Saints
http://www.saintpatrickdc.org/ss/0718.htm#brun
Short biography of St. Bruno of Segni.
Patron Saints Index
http://www.catholic-forum.com/saints/saintb24.htm
Profile of St. Bruno of Segni. With links.