Amarillo Daily News (Amarillo, Tex.), Vol. 9, No. 107, Ed. 1 Thursday, March 7, 1918, newspaper, March 7, 1918; (https://texashistory.unt.edu/ark:/67531/metapth318296/m1/2/: accessed June 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .