'Underwood, John William (1848–1941)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/underwood-john-william-25423/text, accessed 12 May 2025.
21 June,
1848
Ashfield, Sydney,
New South Wales,
Australia
16 June,
1941
(aged 92)
Ashfield, Sydney,
New South Wales,
Australia
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