'Addison, Leonard Walter (1876–1945)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/addison-leonard-walter-16479/text, accessed 22 January 2026.
18 August,
1876
Maitland,
New South Wales,
Australia
30 September,
1945
(aged 69)
Camperdown, Sydney,
New South Wales,
Australia
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