Maury Klein. Edward Porter Alexander. Athens: University of Georgia Press. 1971. Pp. xii, 279. $11.00, Robert L. Kerby. Kirby Smith's Confederacy: The Trans-Mississippi South, 1863–1865. New York: Columbia University Press. 1972. Pp. viii, 529. $12.95, Edward G. Longacre. From Union Stars to Top Hat: A Biography of the Extraordinary General James Harrison Wilson. [Harrisburg, Pa.:] Stackpole Books. 1972. Pp. 320. $10.00, John W. Rowell. Yankee Cavalrymen: Through the Civil War with the Ninth Pennsylvania Cavalry. Knoxville: University of Tennessee Press. 1971. Pp. xii, 280. $7.50 and Stephen Z. Starr. Colonel Grenfell's Wars: The Life of a Soldier of Fortune. Baton Rouge: Louisiana State University Press. 1971. Pp. vii, 352. $10.95