^Cokayne, George Edward; White, Geoffrey H., eds. (1959). The Complete Peerage, or a history of the House of Lords and all its members from the earliest times (Tracton to Zouche). Vol. 12 (2nd ed.). London: The St. Catherine Press. p. 454.
^Cokayne, George Edward; White, Geoffrey H., eds. (1959). The Complete Peerage, or a history of the House of Lords and all its members from the earliest times (Tracton to Zouche). Vol. 12 (2nd ed.). London: The St. Catherine Press. p. 461.
^ abCokayne, George Edward; Hammond, Peter W., eds. (1998). The Complete Peerage, or a history of the House of Lords and all its members from the earliest times (Addenda & Corrigenda). Vol. 14 (2nd ed.). Stroud: Sutton Publishing. p. 627.