The German Wars, 1914-1945. Boston, MA, Houghton, Mifflin, 1977. See index for specific references to the Schlieffen Plan. Book call no. The Great War.
Book call no.
A History of Modern Germany, 1840-1945. New York, Knopf, 1969. 818 p. Schlieffen Plan, pp 344-348. Book call no. From the Eighteenth Century to the Present Day.