Jelaskan Catatan dari Oliver Otis Howard

Cimbala, Paul A. "Oliver Otis Howard." In Encyclopedia of the American Civil War: A Political, Social, and Military History, edited by David S. Heidler and Jeanne T. Heidler. New York: W. W. Norton & Company, 2000. .

Cox, John, and LaWanda Cox. "General O. O. Howard and the 'Misrepresented Bureau'." Journal of Southern History 19, no. 3 (November 1953): 427-56.

Eicher, John H., and David J. Eicher. Civil War High Commands. Stanford, CA: Stanford University Press, 2001. .

McFeely, William S. Yankee Stepfather: General O.O. Howard and the Freedmen. New Haven: Yale University Press, 1968. .

Sweeney, Edward R. Making Peace with Cochise: the 1872 Journal of Captain Joseph Alton Sladen. Norman: University of Oklahoma Press, 2008. .

Tagg, Larry. The Generals of Gettysburg, Campbell, CA: Savas Publishing, 1998. .

Thomson, David. "Oliver Otis Howard: Reassessing the Legacy of the 'Christian General'." American Nineteenth Century History, 10 (September 2009), 273–98.

Utley, Robert M. "Oliver Otis Howard." New Mexico Historical Review 62, no. 1 (Winter 1987): 55-63.

Weil, Gordon L. "The Good Man: The Civil War's "Christian General" and His Fight for Racial Equality". Harpswell, ME: Arthur McAllister Publishers, 2013. .