Stayton, Robert W. [Letter from Robert W. Stayton to John Sayles, March 21, 1933], letter, March 21, 1933; (https://texashistory.unt.edu/ark:/67531/metapth1154584/m1/1/: accessed July 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .