The Houston Informer (Houston, Tex.), Vol. 3, No. 4, Ed. 1 Saturday, June 11, 1921, newspaper, June 11, 1921; (https://texashistory.unt.edu/ark:/67531/metapth523797/m1/3/: accessed June 3, 2023), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .