^Costin, W. C.; Watson, J. Steven, ed (1952). The Law and Working of the Constitution: Documents 1660-1914. I (1660-1783). London: A. & C. Black. p. 147.
^Williams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 334–335. ISBN 0-304-35730-8.