'Barker, Joanna (1800–1851)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/barker-joanna-29131/text, accessed 5 May 2025.
24 December,
1851
(aged ~ 51)
Darling Point, Sydney,
New South Wales,
Australia
Includes subject's nationality; their parents' nationality; the countries in which they spent a significant part of their childhood, and their self-identity.