An article on Capt. James Marion Jackson, by Addie Jackson appears in Confederate Reminiscences and Letters, 1861-1865, vol. XIV 2000, Georgia Division, United Daughters of the Confederacy, p. 167. I quote the first sentences verbatim, "My father, J. M. Jackson, enlisted in West Armuchee, Walker County, Georgia, in April 1861. He was mustered into service at Atlanta the last of May 1861 and went out as Brevet Lieutenant of the 11th Regiment, Company G of Georgia Infantry. He was promoted to Second Lieutenant in October 1861, First Lieutenant in July 1862, and Captain in August 1864. He was first ordered to Winchester, Virginia and put in the Brigade of Gen. Bartow and ordered to reinforce Gen. Beauregard at Manassas. After said battle he remained around Centreville doing picket duty until April 1862, then moved with the army to Orange Court House. ... "

A biography of Henry D. McDaniel can be found online in Biographical Souvenir of the States of Georgia and Florida (Chicago: F. A. Battey & Company, 1889), pp. 54-542. Also in the same reference, p. 860, James M. Wilson. And pp. 198-199, Alexander T. Coryell.