The Statesman (Austin, Tex.), Vol. 48, No. 337, Ed. 1 Wednesday, April 21, 1920, newspaper, April 21, 1920; (https://texashistory.unt.edu/ark:/67531/metapth1534126/m1/3/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .