Toporoski, Richard (1998). "The Invisible Crown". Monarchy Canada (Summer 1998). Toronto: Monarchist League of Canada. Archived from the original on 9 February 2008. Retrieved 16 May 2009.
"The Chiltern Hundreds"(PDF). House of Commons Information Office. 1 June 2008. Archived from the original(PDF) on 3 October 2008. Retrieved 12 June 2008.
Twomey, pp. 8–9 Twomey, Anne (2011). "Changing the Rules of Succession to the Throne". Sydney Law School Legal Studies Research Paper. 11 (71). University of Sydney, Faculty of Law. SSRN1943287.
Twomey, pp. 14–16 Twomey, Anne (2011). "Changing the Rules of Succession to the Throne". Sydney Law School Legal Studies Research Paper. 11 (71). University of Sydney, Faculty of Law. SSRN1943287.
Toporoski, Richard (1998). "The Invisible Crown". Monarchy Canada (Summer 1998). Toronto: Monarchist League of Canada. Archived from the original on 9 February 2008. Retrieved 16 May 2009.
"The Chiltern Hundreds"(PDF). House of Commons Information Office. 1 June 2008. Archived from the original(PDF) on 3 October 2008. Retrieved 12 June 2008.