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'Knibbs, Joyce Vallom (Joy) (1921–1983)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/knibbs-joyce-vallom-joy-23575/text, accessed 1 July 2022.
22 May,
1921
Parkes, New South Wales, Australia
6 September,
1983
(aged 62)
Sydney, New South Wales, Australia