Car-Coupling., patent, June 15, 1886; (https://texashistory.unt.edu/ark:/67531/metapth171281/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Car-Coupling., patent, June 15, 1886; (https://texashistory.unt.edu/ark:/67531/metapth171281/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .