1. Letter from Edward H. Sugden to Mrs Stirling, 26 April 1915, Malcolm Stirling Papers 10739, Box 957/1, La Trobe Library, State Library of Victoria (hereafter SLV)
2. Macintyre StuartThe Oxford History of Australia: Volume 4, 1901-1942Oxford University Press Melbourne 1986 177 179
3. Letter from Mother to George, ‘Sunday Evening’, n.d., MS 10229-1, MSB 193, George Cameron Doig Papers, La Trobe Library, SLV
4. Letter from Mother to George, n.d., Doig Papers, Ibid.