^Hendrickson, James E. (1982). "Young, Sir William Alexander George". Dictionary of Canadian Biography, vol. 11. [online edition]. University of Toronto/Université Laval, 2003–. Retrieved 22 August 2015.
^The London Gazette, No.29026, p. 55 He may have left the Falklands from around August 1919, since Thomas St. Johnston (1881–1950) was acting governor from September 1919 to April 1920, and Sir John Middleton was gazetted Governor on 19 September 1920. Sources:The London Gazette, No.32047 and Falklands history timeline, with sources
Hodgson, (Mary Alice Young), Lady (1901). The Siege of Kumassi. London: C. Arthur Pearson.{{cite book}}: CS1 maint: multiple names: authors list (link)
Lamb, W. Kaye (January–April 1953). "Some notes on the Douglas family"(PDF). British Columbia Historical Quarterly. XVII (1 & 2). Victoria, B.C.: Archives of British Columbia: 41–53.