by Australia Post depicting the Blue Mountains crossing. References Additional resources Historical Records of New South Wales, vols 4–7 Historical Records of Australia, Series I, vols 3–8, 10, 11, 13, 14, 16 H. Selkirk, ‘Discovery of Mudgee’, Journal of the Royal Australian Historical Society, 8 (1922) C. H. Bertie, ‘The Lawsons’, Home (Sydney), 1 January 1932 E. C. Lawson, Lawson of Veteran Hall (microfilm, State Library of New South Wales) Bonwick transcripts, biography, vol 3 (State Library of New South Wales). External links – William Lawson crossing the Blue Mountains – State Library of NSW 1774 births 1850 deaths Explorers of Australia People from Finchley English emigrants to colonial Australia Members of the New South Wales Legislative Council History of the Blue Mountains (New South Wales)