Beeson, C.F.C. ([1962] 1989): , 3. utg., Oxford: Museum of the History of Science. ISBN 0 903364 06 9, s. 8, 118, 120, 122–125, 184–186 Page, W.H., red. (1927): , bind 4. Victoria County History. s. 346–362. Pevsner, Nikolaus (1960): . Harmondsworth: Penguin Books, ISBN 0 14 071019 1, s. 155–156. Reed, Michael (1979):. London: Hodder & Stoughton. ISBN 0-340-19044-2, s. 125, 130, 136, 159, 190.