The Leavenworth Schools and the Old Army: Education, Professionalism, and the Officer Corps of the United States Army, 1881-1918 by Timothy Nenninger
The period from the Indian wars to WWI saw the evolution of the U.S. Army from a 25,000 man frontier constabulary to a modern professionally led two million man force fighting in a coalition war in Europe. This study describes the context within which the Leavenworth schools--begun in 1881--evolved.