Kathedrale von Ely

1. Cathedrals and Churches of England. Crown Books, Guildford (Großbritannien), 1985.
2. McAleer, J. Philip (1994): Some Observations about the Romanesque Choir of Ely Cathedral. In: Journal of the Society of Architectural Historians, v. 53, n. 1 (März 1994), S. 80-94.

   https://doi.org/10.2307/990810

3. Heyman, J. (1976): The Strengthening of the West Tower of Ely Cathedral. In: Proceedings of the Institution of Civil Engineers, v. 60, n. 1 (November 1976), S. 123-147.

   https://doi.org/10.1680/iicep.1976.3489

4. Wade, E. C. / Heyman, J. (1985): The Timber Octagon of Ely Cathedral. In: Proceedings of the Institution of Civil Engineers, v. 78, n. 6 (Dezember 1985), S. 1421-1436.

   https://doi.org/10.1680/iicep.1985.1061