Here is what the U. S. Army Military History Institute, Carlisle Barracks, Pa. hold in their unit bibliography.

U.S. Army Military History Institute
950 Soldiers Drive
Carlisle Barracks, PA 17013-5021
20 Apr 2012

15th Alabama Infantry Regiment

Brewer, Willis. Brief Historical Sketches of Military Organizations Raised in Alabama during the Civil
War. Montgomery, AL: AL Civil War Centennial Commission, 1962. pp. 613-15. E551.4.B74.
(Brief history and roster of officers).

Confederate Military History, Extended Edition. Vol. 8: Alabama. Wilmington, NC: Broadfoot, 1987.
pp. 102-06. E484.C65.1987v8. (Brief unit history).

Crute, Joseph H., Jr. Units of the Confederate States Army. Midlothian, VA: Derwent Books, 1987.
pp. 14-15. E546.C78. (Concise summary of the regiment's service).

Denman, Jeff. “Profile in Courage: The 15th Alabama Infantry at Gettysburg.” Gettysburg Magazine
No. 36: pp. 50-60. E475.53.G482no36.

Houghton, W.R., & Houghton, M.B. Two Boys in the Civil War and After. Montgomery, AL: Paragon,
1912. 242 p. E605.H83.
Mitchell B. & Brother W.R. of 2nd Georgia Infantry.

Jones, Michael D. "William C. Oates on Little Round Top, Unsung; In Postwar Politics,
Unreconstructed." Civil War (Dec 1994): pp. 26-32. Per.

Jordan, William C. Some Events and Incidents During the Civil War. Montgomery, AL: Paragon, 1909.
142 p. E605.J67.

LaFantasie, Glenn W. “Conflicting Memories of Little Round Top.” Columbiad (Spring 1999):
pp. 106-30. Per.
William Oates’ attempt to erect monument to fallen comrades.

_____. Gettysburg Requiem. The Life and Lost Causes of Confederate Colonel William C. Oates.
NY: Oxford, 2006. 414 p. E467.1.O18.L34.

_____. “Like a Fire With Heat But No Light: William C. Oates and the Perils of Command.”
Civil War Times (Oct 2006): pp. 38-45. Per.

_____. "The Other Man." MHQ (Summer 1993): pp. 69-75. Per.
(COL William Oates & Gettysburg).

_____. “Who Was William C. Oates, and Why Should Anyone Care?” North & South (Dec 2006):
pp. 34-41. Per.

Laine, J. Gary, & Morris, Penny. Law’s Alabama Brigade in the War Between the Union and the
Confederacy. Shippensburg, PA: White Mane, 1996. 458 p. E551.4.L39.L35.

McClendon, William A. Recollections of War Times: How I Got In, and How I Got Out/ By an Old
Veteran, while under Stonewall Jackson and James Longstreet. San Bernardino, CA: California Church, 1973 reprint of 1909 edition. 248 p. E551.5.15th.M33.

Oates, William S. "Gettysburg, the Battle on the Right." Southern Historical Society Papers 6 (1878):
pp. 172-82. E483.7.S76v6.

_____. Gettysburg. NY: Bantam, 1992. pp. 49-140. E475.53.O27.

_____. The War Between the Union and the Confederacy and Its Lost Opportunities, with a History of
the 15th Alabama Regiment and the Forty-eight Battles in Which It was Engaged.... Dayton, OH: Morningside, 1974 reprint of 1905 ed. 808 p. E551.5.15thO38.

Sifakis, Stewart. Compendium of the Confederate Armies: Alabama. NY: Facts on File, 1992.
pp. 75-77. E551.S53 (Unit organizational history).

Tucker, Phillip T. Storming Little Round Top: The 15th Alabama and Their Fight for the High Ground,
July 2, 1863. Cambridge, MA: Da Capo, 2002. 342 p. E475.53.T85.

Youngblood, William. "Unwritten History of the Gettysburg Campaign." Southern Historical Society
Papers 38 (1910): pp. 312-18. E483.7.S76v38.

The following pertinent personal papers are in the Institute's Manuscript Archive:

Oates, William C. - BrakeColl (COL's account of Gettysburg, Jul 2, 1863)

Youngblood, William - BrakeColl (Pvt's Gettysburg memoir)