[Transcript of letter from Mr. and Mrs. D. C. Constant to Charles Moore, September 11, 1863], letter, September 11, 1863; (https://texashistory.unt.edu/ark:/67531/metapth207519/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .