Rail-Joint., patent, September 13, 1910; (https://texashistory.unt.edu/ark:/67531/metapth514945/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Rail-Joint., patent, September 13, 1910; (https://texashistory.unt.edu/ark:/67531/metapth514945/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .