Car Coupling., patent, September 26, 1882; (https://texashistory.unt.edu/ark:/67531/metapth170414/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Car Coupling., patent, September 26, 1882; (https://texashistory.unt.edu/ark:/67531/metapth170414/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .