Southern Messenger (San Antonio and Dallas, Tex.), Vol. 30, No. 9, Ed. 1 Thursday, April 7, 1921, newspaper, April 7, 1921; (https://texashistory.unt.edu/ark:/67531/metapth1266362/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .