[Letter from Elizabeth Upshur Teackle to her husband, Littleton Dennis Teackle, August 4, 1812], letter, August 4, 1812; (https://texashistory.unt.edu/ark:/67531/metapth1677194/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .