Bibliography
David
Walker
Works authored
Works edited
Contributions to journals
Contributions to edited collections or authored works
Walker, David, “[Multiple contributions]”, Oxford dictionary of national biography, Online: Oxford University Press, 2004–2004. URL: <http://www.oxforddnb.com>.
In reference works
Oxford dictionary of national biography, Online: Oxford University Press, 2004–present. URL: <http://www.oxforddnb.com>.
comments: General editors include Lawrence Goldman, et al.
Contributions: Caradog of Llancarfan (d. after 1138)· Cadwgan [Cadwgan of Llandefai (d. 1241), Cistercian monk and bishop of Bangor]