Arthur Charles Fox-Davies, Armorial Families: A Complete Peerage, Baronetage, and Knightage, and a Directory of Some Gentlemen of Coat-armour, and Being the First Attempt to Show which Arms in Use at the Moment are Borne by Legal Authority, Part 1, Great Britain, Jack, , 59-60 p. (lire en ligne) :
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Robert Eccleshall, English Conservatism Since the Restoration: An Introduction and Anthology, Routledge, (ISBN978-1134997756, lire en ligne), p. 166.