'Hallen, Sophia (1816–1906)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/hallen-sophia-28356/text, accessed 2 April 2025.
13 October,
1816
Prospect, Sydney,
New South Wales,
Australia
11 January,
1906
(aged 89)
Sydney,
New South Wales,
Australia
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