Amarillo Daily News (Amarillo, Tex.), Vol. 8, No. 133, Ed. 1 Saturday, April 7, 1917, newspaper, April 7, 1917; (https://texashistory.unt.edu/ark:/67531/metapth318222/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .