139 
    
    Charles R. Morris, The Dawn of Innovation: The First American Industrial Revolution (New York: Public Affairs, 2012), 275.
                140 
    
    H. W. Brands, American Colossus: The Triumph of Capitalism, 1865–1900 (New York: Anchor Books, 2010), 251–252.
                141 
    
    Там же, 249–250 (цитата); о «фермах бонанза» в целом – 249–256.
                142 
    
    White, The Republic for Which It Stands, 296.
                143 
    
    Alan Olmstead, ed., "Agriculture," Economic Sectors, vol. 4 of Historical Statistics of the United States: Millennial Edition, ed. Susan B. Carter et al. (New York: Cambridge University Press, 2006), 11.