Trustees of the Museum (10 December 1898). Statutes and Rules for the British Museum. London: Woodfall and Kinder. p. 31 – via Internet Archive (Biodiversity Heritage Library).
Burke's Genealogical and Heraldic History of the Landed Gentry, 15th Edition, ed. Pirie-Gordon, H., London, 1937, p.1306, pedigree of Rouse-Boughton-Knight of Downton Castle, 1st quarter. Blazoned similarly for their cousins Knight of Wolverley, Worcestershire, in: Victoria County History, Worcestershire, Vol.3, 1913, Parishes: Wolverley, pp.567-573 as: Argent, three pales gules in a bordure engrailed azure on a quarter gules a spur or (Victoria County History, Worcestershire, Vol.3, 1913, Parishes: Wolverley, pp.567-573)