Kathedrale von Hereford

1. Cathedrals and Churches of England. Crown Books, Guildford (Großbritannien), 1985.
2. Thurlby, Malcolm (1988): The Former Romanesque High Vault in the Presbytery of Hereford Cathedral. In: Journal of the Society of Architectural Historians, v. 47, n. 2 (Juni 1988), S. 185-189.

   https://doi.org/10.2307/990329