'Marks, Thelma Beatrice (1899–1983)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/marks-thelma-beatrice-21135/text, accessed 28 April 2025.
4 November,
1899
Melbourne,
Victoria,
Australia
1983
(aged ~ 83)
Melbourne,
Victoria,
Australia
Includes the religion in which subjects were raised, have chosen themselves, attendance at religious schools and/or religious funeral rites; Atheism and Agnosticism have been included.