Hansen, M. L., & Schlesinger, A. M. 1. (1940). The Atlantic migration, 1607-1860: A history of the continuing settlement of the United States. Cambridge, Mass.: Harvard University Press.

Hansen, Marcus Lee, and Arthur M. 1888-1965 Schlesinger. The Atlantic Migration, 1607-1860: A History of the Continuing Settlement of the United States. Cambridge, Mass.: Harvard University Press, 1940.

Hansen, Marcus Lee, and Arthur M. 1888-1965 Schlesinger. The Atlantic Migration, 1607-1860: A History of the Continuing Settlement of the United States. Cambridge, Mass.: Harvard University Press, 1940.