Muster Rolls, Company A, Fifth Texas Cavalry, Microfilm edition in Archives of the Nesbitt Memorial Library, Columbus; Colorado Citizen, August 10, 1861, August 24, 1861, September 7, 1861, August 1, 1913; Colorado County District Court Records, Civil Cause File No. 1761: Robert G. Morgan, Jr. v. William Stapleton; Eighth Census of the United States (1860), Colorado County, Texas, Schedule 1; Colorado County Police [Commissioners] Court Minutes, Book 2, pp. 401, 406; "Civil War Letters of John Samuel Shropshire," Nesbitt Memorial Library Journal, vol. 7, no. 1, January 1997, pp. 65, 68. Shropshire's slave was named Bob, Wright's Howell, and Oakes' Mac. The fourth slave, whose name was Ed, was brought into the field by James Carson, who started his military career as a private, but was promoted sergeant two months after he enrolled.