Mosley, Charles, ed. (2003), Burke's Peerage, Baronetage & Knightage, vol. 2 (107th in 3 volumes ed.), Wilmington, Delaware, U.S.A.: Burke's Peerage (Genealogical Books) Ltd, p. 2159 Cokayne, G.E., ed. (2000), The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, vol. VII (reprint in 6 volumes ed.), Gloucester, U.K.: Alan Sutton Publishing, p. 261