Houghton Mifflin. 2004. ISBN 978-0-618-00583-3. Gregory, J.E.; Iggo, A.; McIntyre, A.K.; Proske, U. Receptors in the Bill of the Platypus. Journal of Physiology
Never Sets: Travels to the Remaining Outposts of the British Empire.) P. McIntyre, "The Strange Death of Dominion Status", Journal of Imperial and Commonwealth