The Dallas Express (Dallas, Tex.), Vol. 28, No. 24, Ed. 1 Saturday, March 19, 1921, newspaper, March 19, 1921; (https://texashistory.unt.edu/ark:/67531/metapth278345/m1/1/: accessed July 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .