Adams to Callaway, April 22, 1887, UP, PO, OC, vol. 39, ser. 2, r. 35.
Chandler, Visible Hand, 147-48, 159-60.
Schumpeter, Capitalism, Socialism, and Democracy, 83, 102, 106, 132.
Schumpeter, Capitalism, Socialism, and Democracy, 74.
Schumpeter, Capitalism, Socialism, and Democracy, 138.