'Valentine, Thelma Maud (1907–1963)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/valentine-thelma-maud-20844/text, accessed 10 May 2025.
23 February,
1907
Orange,
New South Wales,
Australia
27 December,
1963
(aged 56)
Beverly Hills, Sydney,
New South Wales,
Australia