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'Mandelson, Maurice Roy (1883–1964)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/mandelson-maurice-roy-20490/text, accessed 5 March 2021.
9 August 1883
Sydney, New South Wales, Australia
22 January 1964
Hornsby, Sydney, New South Wales, Australia