^ abcdeWilliams, Hywel (2005). Cassell's Chronology of World History. London: Weidenfeld & Nicolson. pp. 321–322. ISBN 0-304-35730-8.
^ abPalmer, Alan; Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 223–224. ISBN 0-7126-5616-2.
^The History Today Companion to British History. London: Collins & Brown. 1995. p. 591. ISBN 1-85585-178-4.
^Simms, Brendan (2007). Three Victories and a Defeat: the Rise and Fall of the First British Empire, 1714-1783. London: Allen Lane. ISBN 9780713994261.