Reeves, Keir; Frost, Lionel; Fahey, Charles (22. juni 2010): «Integrating the Historiography of the Nineteenth-Century Gold Rushes», Australian Economic History Review. 50 (2): 111–128. doi:10.1111/j.1467-8446.2010.00296.x.
Diodorus Siculus: The Library of History, Book III, 12. Sitat: «At the extremity of Egypt and in the contiguous territory of both Arabia and Ethiopia there lies a region which contains many large gold mines, where the gold is secured in great quantities with much suffering and at great expense...»
