Arentz, Edward S. [Letter from Edward S. Arentz to Sayles & Sayles, February 26, 1940], letter, February 26, 1940; (https://texashistory.unt.edu/ark:/67531/metapth1154997/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .