[Letter from Elizabeth Upshur Teackle to her husband, Littleton D. Teackle, May 21, 1808], letter, May 21, 1808; (https://texashistory.unt.edu/ark:/67531/metapth1677143/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .