↑ 1.01.11.2Cokayne, George Edward, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, London: William Pollard & Co, 1932, Ed. 2 Vol VIII, FamilySearch,
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↑ 2.02.1Paul, James Balfour. "The Scots Peerage : founded on Wood's ed. of Sir Robert Douglas's Peerage of Scotland; containing an historical and genealogical account of the nobility of that kingdom", Edinburgh: David Douglas, 1908, Vol. V, Archive.org,
p. 394
↑
Gibson, John C, "The Wardlaws in Scotland: A History of the Wardlaws of Wilton and Torrie and their Cadets", Edinburgh: William Brown, 1912
p. 51