'Hart, Margaret Beatrice (1880–1965)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/hart-margaret-beatrice-14618/text, accessed 30 May 2025.
6 February,
1880
Muttaburra,
Queensland,
Australia
17 July,
1965
(aged 85)
Brisbane,
Queensland,
Australia