'Kettle, Napoleon John (1835–1883)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/kettle-napoleon-john-29250/text, accessed 12 June 2025.
25 March,
1835
Sydney,
New South Wales,
Australia
29 October,
1883
(aged 48)
Newtown, Sydney,
New South Wales,
Australia
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