Mail-Pouch Catcher, patent, December 17, 1907; (https://texashistory.unt.edu/ark:/67531/metapth515004/m1/2/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Mail-Pouch Catcher, patent, December 17, 1907; (https://texashistory.unt.edu/ark:/67531/metapth515004/m1/2/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .