The Seminole Sentinel (Seminole, Tex.), Vol. 15, No. 10, Ed. 1 Thursday, May 26, 1921, newspaper, May 26, 1921; (https://texashistory.unt.edu/ark:/67531/metapth577608/m1/2/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .