(en) George Edward Harvard University, Complete peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, London, London, G. Bell & sons, (lire en ligne), p. 372
(en) Sir Nicholas Harris Nicolas, The Historic Peerage of England: Exhibiting, Under Alphabetical Arrangement, the Origin, Descent, and Present State of Every Title of Peerage which Has Existed in this Country Since the Conquest ; Being a New Edition of the "Synopsis of the Peerage of England", London, John Murray, , 610 p. (lire en ligne), p. 336
(en) Francis Blomefield, An Essay Towards a Topographical History of the County of Norfolk: Launditch (concluded). Loddon. Mitford. Smethdon. Taverham, London, W. Miller, , 479 p. (lire en ligne), p. 55
