1. Adam Smith, The Wealth of Nations (New York: Modern Library, 1937), p. 315.
2. Among prominent books on the subject, see: C. Wright Mills, The Power Elite (New York: Oxford University Press, 1956);
3. Walter Millis, Arms and Men: A Study in American Military History (New York: Putnam, 1956);
4. Samuel Huntington, The Soldier and State: The Theory and Practice of Civil-Military Relations (Cambridge, Mass.: Belknap Press, 1957);
5. Morris Janowitz, The Professional Soldier: A Social and Political Portrait (New York: Putnam, 1960);