Sayles, Henry. [Letter from Henry Sayles to Ed. S. Hughes, August 30, 1911], letter, August 30, 1911; (https://texashistory.unt.edu/ark:/67531/metapth1156296/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .