Amarillo Daily News (Amarillo, Tex.), Vol. 12, No. 128, Ed. 1 Saturday, June 4, 1921, newspaper, June 4, 1921; (https://texashistory.unt.edu/ark:/67531/metapth318869/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .