Cooper, Albert. The Shamrock Texan (Shamrock, Tex.), Vol. 26, No. 9, Ed. 1 Sunday, May 26, 1929, newspaper, May 26, 1929; (https://texashistory.unt.edu/ark:/67531/metapth528708/m1/1/: accessed April 24, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .