↑ Blake, Richard. The Book of Postal Dates, 1635–1985. Caterham: Marden. p.10.
↑ Penguin Pocket On This Day. Penguin Reference Library. 2006. ISBN0-141-02715-0.
↑ Palmer, Alan; Veronica (1992). The Chronology of British History. London: Century Ltd. pp.263–264. ISBN0-7126-5616-2.
This page is based on this Wikipedia article Text is available under the CC BY-SA 4.0 license; additional terms may apply. Images, videos and audio are available under their respective licenses.