Robert J. King, "'Etruria': the Great Seal of New South Wales", Journal of the Numismatic Association of Australia, vol.5, October 1990, pp.3-8. [1]Archived 29 March 2020 at the Wayback Machine
Robert J. King, "'Etruria': the Great Seal of New South Wales", Journal of the Numismatic Association of Australia, vol.5, October 1990, pp.3-8. [1]Archived 29 March 2020 at the Wayback Machine