The Snyder Signal. (Snyder, Tex.), Vol. THIRTIETH YEAR, No. 47, Ed. 1 Friday, May 4, 1917, newspaper, May 4, 1917; (https://texashistory.unt.edu/ark:/67531/metapth288167/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .