Caufield, T. E. Borger Daily Herald (Borger, Tex.), Vol. 1, No. 140, Ed. 1 Thursday, May 5, 1927, newspaper, May 5, 1927; (https://texashistory.unt.edu/ark:/67531/metapth167071/m1/1/: accessed January 15, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .