New York, Scribner, 1974. Turning America Back to the Sea, by Kenneth J. Hagan, pp 279-304. Book call no. From Machiavelli to the Nuclear Age , edited by Peter Paret and others. The Naval Historian, by Philip A. Crowl, pp 444-477.
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Military Thought from Machiavelli to Hitler , edited by Edward Mead Earle and others. Princeton, Princeton University Press, 1943. Book call no. The McGraw-Hill Encyclopedia of World Biography, . New York, McGraw-Hill, 1973.