El Campo Citizen (El Campo, Tex.), Vol. 3, No. 7, Ed. 1 Saturday, April 6, 1907, newspaper, April 6, 1907; (https://texashistory.unt.edu/ark:/67531/metapth870185/m1/1/: accessed June 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .