Boston, Little, Brown and Co., 1964. The Opposing Forces and Plans, pp 36-54. Book call no. From Machiavelli to the Nuclear Age, edited by Peter Paret and others. Princeton, Princeton University Press, 1986.
Book call no.
Military Thought from Machiavelli to Hitler, edited by Edward M. Earle. Princeton, Princeton University Press, 1943. Schlieffen Plan, pp 191-203. The Marshall Cavendish Illustrated Encyclopedia of World War I, edited by Peter Young and others. New York, Marshall Cavendish, 1984.