in 6, Gloucester: A. Sutton, 1982* Cokayne, George Edward, "The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant: Addenda and Corrigenda", Hammond, Peter W., Sutton Publishing, Ltd., Gloucestershire, England, 1998.
* Cokayne, George Edward, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant: Addenda and Corrigenda, Hammond, Peter W., Sutton Publishing, Ltd., Gloucestershire, England, 1998.