[51] Louis Martin Sears, _Jefferson and the Embargo_ (Durham, N. C.:
Duke University, 1927); Julius W. Pratt, _Expansionists of 1812_ (New
York: Macmillan, 1925).
[52] De Ligt, 131. For other statements concerning the virtual
impossibility of violent revolution today see De Ligt, 81-82, 162-163;
Horace G. Alexander, "Great Possessions" in Gerald Heard, _et. al._,
_The New Pacifism_ (London: Allenson, 1936), 89-91; Huxley, _Ends and
Means_, 178-179; Lewis, _Case Against Pacifism_, 112-113.