Catholic Encyclopedia - St. John of Beverley, Benedictine bishop of Hexham and later of York, monastic founder, d. 721. www.newadvent.org/cathen/08469b.htm
For All the Saints - Hagiography of St. John of Beverley. users.erols.com/saintpat/ss/0507.htm#john
The Ecole Glossary - Brief biography of St. John of Beverley, by Karen Rae Keck. cedar.evansville.edu/~ecoleweb/glossary/johnbev.html