The National Co-operator and Farm Journal (Dallas, Tex.), Vol. 28, No. 27, Ed. 1 Wednesday, April 10, 1907, newspaper, April 10, 1907; (https://texashistory.unt.edu/ark:/67531/metapth186285/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .