Patron Saints Index
- Profile of St. Otto of Bamberg, also called Otho.
- http://www.catholic-forum.com/saints/sainto08.htm

Catholic Encyclopedia
- St. Otto, a Swabian courtier, was named bishop of Bamberg in 1102, and founded over 20 monasteries. He died in 1139.
- http://www.newadvent.org/cathen/11353a.htm