Kathleen Edwards, The English Secular Cathedrals in the Middle Ages (New York: Barnes and Noble, 1967).

Indispensible discussion of the English secular cathedrals with chapters on the canons, bishop, major and minor officials of the cathedral church.

Terence Bailey, The Processions of Sarum and the Western Church (1971).

Detailed discussion of the liturgy developed at Salisbury known as the Rite of Sarum.

Paul Binski and Jonathan Alexander , eds., Age of Chivalry Art in Plantagenet England 1200-1400 (London: Weidenfeld and Nicolson Limited, 1987).

Wonderful collection of English Gothic art with articles by top scholars. Produced for the Exhibition at the Royal Academy of Arts, London, 1987.