Amarillo Daily News (Amarillo, Tex.), Vol. 19, No. 167, Ed. 1 Saturday, April 21, 1928, newspaper, April 21, 1928; (https://texashistory.unt.edu/ark:/67531/metapth1650662/m1/7/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .