Catholic Encyclopedia - St. Lawrence O'Toole, or Lorcan Ua Tuathail, confessor, abbot, and the first Irish-born bishop of Dublin, d. 1180. www.newadvent.org/cathen/09091b.htm
Catholic Online - Biographical portrait of St. Lawrence O'Toole. www.catholic.org/saints/saints/lawrence.html
For All the Saints - Lengthy biographical essay on St. Lawrence O'Toole. The saint's name is given as "Laurence". users.erols.com/saintpat/ss/1114.htm#lorc
Lives of the Saints - St. Lawrence, confessor, Archbishop of Dublin. From Fr. Alban Butler's Lives of the Saints. www.ewtn.com/library/MARY/OTOOLE.htm
