John Cockburn - Agent General for South Australia - London - Concerning Metallurgical Specimens supplied by Messrs Gregory

John Cockburn - Agent General for South Australia - London - Concerning Metallurgical Specimens supplied by Messrs Gregory (11 January 1901), [UA-00014168] . Adelaide University, accessed 08/02/2026, https://connect.adelaide.edu.au/nodes/view/14365