1. Frye, Northrop. 1977.The Canadian Imagination, Edited by: Staines, David. 27–27. Harvard University Press.
2. Smith, John. 1970.Captain John Smith's History of Virginia, Edited by: Hawke, David Freeman. 32–32. New York: The Bobbs-Merrill Company, Inc.
3. See Parry JohnLa conquista del mare, trans. from the English by Maria MagriniBompiani Milan 1984 70 74 Henry Harrisse, The Discovery of North America (Amsterdam: N. Israel, Publishing Dept., 1969 reprint), pp. 399-401.
4. See Rossi-Landi FerruccioIl linguaggio come Lavoro e come MercatoBompiani Milan 1981 150 156
5. James, Henry. 1968.The American Scene, 85–85. Bloomington: Indiana University Press.