Muster Rolls, Company D, Cavalry, Waul's Texas Legion, Microfilm edition in Archives of the Nesbitt Memorial Library, Columbus; Civil War letters of George McCormick (Ms. 6), Draper/McCormick Papers, Archives of the Nesbitt Memorial Library, Columbus, or the convenient transcriptions in Bill Stein, ed., "The Experiences of George McCormick in Waul's Texas Legion," Nesbitt Memorial Library Journal, vol. 1, no. 2, December 1989, pp. 35-65; John Duff Brown, "Reminiscences of Jno. Duff Brown," Southwestern Historical Quarterly, vol. 12, no. 4, April 1909, pp. 309-311. Waul's Texas Legion, which was organized by Thomas Neville Waul, at its inception contained infantry, cavalry, and artillery units.