'Gibbons, Henry Thomas G. (1884–1972)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/gibbons-henry-thomas-g-21076/text, accessed 1 June 2025.
17 February,
1884
Balmain, Sydney,
New South Wales,
Australia
20 May,
1972
(aged 88)
Sydney,
New South Wales,
Australia