The Thresher (Houston, Tex.), Vol. 2, No. 9, Ed. 1 Thursday, February 15, 1917, newspaper, February 15, 1917; (https://texashistory.unt.edu/ark:/67531/metapth229795/m1/5/: accessed April 26, 2025), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .