Adam Smith (2007). “The Wealth of Nations: An Inquiry Into the Nature and Causes of the Wealth of Nations: With an introduction by Jonathan B. Wight, University of Richmond”, p.474, Harriman House Limited
Francis Parkman, David Levin (1983). “France and England in North America: Pioneers of France in the New World. The Jesuits of North America in the seventeenth century. La Salle and the discovery of the Great West. The old régime in Canada”, p.16, Library of America