Bibliography  U.S. Army War College, URL Study on Military Professionalism, 1970
Bibliography Beorn, Waitman Wade (2014). Marching into Darkness. Harvard University Press. ISBN 9780674726604. U.S. Army War College, Study on Military Professionalism, 1970
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Beorn, Waitman Wade (2014). Marching into Darkness. Harvard University Press. ISBN 9780674726604.
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