The Houston Informer (Houston, Tex.), Vol. 3, No. 1, Ed. 1 Saturday, May 21, 1921, newspaper, May 21, 1921; (https://texashistory.unt.edu/ark:/67531/metapth523836/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .