The Sunday Morning Herald. (Amarillo, Tex.), Vol. 22, No. 11, Ed. 1 Sunday, April 10, 1910, newspaper, April 10, 1910; (https://texashistory.unt.edu/ark:/67531/metapth288997/m1/10/: accessed April 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .