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Cullen, Glen T. (1999).  "Preparing for battle: Learning Lessons in the US Army during World War I." U.S. Army Command and General Staff College (CGSC),  Combined Arms Research Library.

_, Office of the Chief of Staff, Second (military) Information Division. (1906). Reports  of the Military Observers attached to the Armies in Manchuria during the Russo-Japanese War, Vol. I; (1907). Vol. II. Washington, D.C.: Government Printing Office.

Sisemore, James D. (2003). "The Russo-Japanese War, Lessons Not Learned."  CGSC.

_. (1907). The Russo-Japanese War, Reports from British Officers Attached to the Japanese Forces in the Field, Vol. I; (1908).  Vol. II.  London: General Staff.