'Hassall, Richard James (1822–1900)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/hassall-richard-james-16212/text, accessed 29 May 2025.
22 April,
1822
Cow Pastures,
New South Wales,
Australia
7 September,
1900
(aged 78)
Gulgong,
New South Wales,
Australia