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Mawe, John (1821). Familiar Lessons on Mineralogy and Geology;Explaining the Easiest Methods of Discriminating Metals, Earths, and rocks, with Coloured Plates, London: self-published, 3rd edition. self published.
Maclaren, J.M. (1908). Gold: its Geological Occurrence and Geographical Distribution. London: The Mining Journal. 687 pp. Mining Journal.