^Palmer, Alan; Palmer, Veronica (1992). The Chronology of British History. London: Century Ltd. pp. 293–294. ISBN 0-7126-5616-2.
^ abPenguin Pocket On This Day. Penguin Reference Library. 2006. ISBN 0-14-102715-0.
^McLean, David (30 April 2013). "Lost Edinburgh: Edinburgh Trams 1871-1956". The Scotsman. Edinburgh. Retrieved 20 August 2014.
^Johnston, Ronald; McIvor, Arthur (2000). Lethal Work: a history of the asbestos tragedy in Scotland. East Linton: Tuckwell Press. p. 10. ISBN 1-86232-178-7.
^Amodeo, Christian (June 2005). "Sir Roderick Impey Murchison: Pioneering Scottish geologist Roderick Murchison was instrumental in the identification and naming of several geological time periods". Geographical.
^Donaldson, William (2004). "Alexander, William (1826–1894)". Oxford Dictionary of National Biography (Online ed.). Oxford University Press. doi:10.1093/ref:odnb/39241. Retrieved 19 August 2013. (subscription or UK public library membership required)
^Leavis, Q. D. (1965). Fiction and the Reading Public (2nd ed.). London: Chatto & Windus.