Amarillo Daily News (Amarillo, Tex.), Vol. 11, No. 138, Ed. 1 Sunday, April 11, 1920, newspaper, April 11, 1920; (https://texashistory.unt.edu/ark:/67531/metapth318516/m1/1/: accessed July 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .