Amarillo Daily News (Amarillo, Tex.), Vol. 11, No. 267, Ed. 1 Thursday, September 9, 1920, newspaper, September 9, 1920; (https://texashistory.unt.edu/ark:/67531/metapth318645/m1/1/: accessed June 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .