'Gadsden, Roger (1829–1899)', People Australia, National Centre of Biography, Australian National University, https://peopleaustralia.anu.edu.au/biography/gadsden-roger-27977/text, accessed 3 December 2024.
6 May,
1829
London,
Middlesex,
England
28 March,
1899
(aged 69)
London,
Middlesex,
England
Includes subject's nationality; their parents' nationality; the countries in which they spent a significant part of their childhood, and their self-identity.