The Dallas Express (Dallas, Tex.), Vol. 28, No. 13, Ed. 1 Saturday, January 1, 1921, newspaper, January 1, 1921; (https://texashistory.unt.edu/ark:/67531/metapth278334/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .