Britton, John et al. (1814): «City of Worcester» i: , London: J. Harris Atkin, Malcolm (1998): . Barnsley: Pen and Sword. ISBN 0-7509-1888-8. Baker, Nigel; Holt, Richard (1996): «The City of Worcester in the Tenth Century» i: Brooks, Nicholas; Cubitt, Catherine: . London, UK: Leicester University Press. ISBN 9780567340313.