H. W. Brands, American Colossus: The Triumph of Capitalism, 1865–1900 (New York: Anchor Books, 2010), 547–548.
187
A. Scott Berg, Wilson (London: Simon & Schuster, 2013), 260.
188
Thomas McCraw, "American Capitalism", Creating Modern Capitalism: How Entrepreneurs, Companies and Countries Triumphed in Three Industrial Revolutions, ed. Thomas K. McCraw (Cambridge, MA: Harvard University Press, 1995), 346.