'Marks, George David (1908–1993)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/marks-george-david-23145/text, accessed 29 May 2025.
5 June,
1908
Toorak, Melbourne,
Victoria,
Australia
4 November,
1993
(aged 85)
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.