Hay-Press., patent, October 24, 1893; (https://texashistory.unt.edu/ark:/67531/metapth173543/m1/3/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Hay-Press., patent, October 24, 1893; (https://texashistory.unt.edu/ark:/67531/metapth173543/m1/3/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .