The National Co-Operator (Mineola, Tex.), Vol. 1, No. 52, Ed. 1 Wednesday, January 10, 1906, newspaper, January 10, 1906; (https://texashistory.unt.edu/ark:/67531/metapth254304/m1/3/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .