The Cod Fisheries, The History of an International Economy. By Harold A. Innis. New Haven: Yale University Press; and Toronto: The Ryerson Press, 1940. Pp. xiii, 520. $3.50. - The Diplomatic History of the Canadian Boundary, 1749–1763. By Max Savelle. New Haven: Yale University Press; and Toronto: The Ryerson Press, 1940. Pp. xvi, 172. $2.50. - The United States, Great Britain, and British North America from the Revolution to the Establishment of Peace after the War of 1812. By A. L. Burt. New Haven: Yale University Press; and Toronto: The Ryerson Press, 1940. Pp. xv, 448. $3.25. - Reciprocity, 1911, A Study in Canadian-American Relations. By L. Ethan Ellis. New Haven: Yale University Press; and Toronto: The Ryerson Press, 1939. Pp. xi, 207. $2.50.