El Democrata Fronterizo. (Laredo, Tex.), Vol. 9, No. 516, Ed. 1 Saturday, August 3, 1907, newspaper, August 3, 1907; (https://texashistory.unt.edu/ark:/67531/metapth296465/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .