Car-Coupling., patent, August 1, 1899; (https://texashistory.unt.edu/ark:/67531/metapth512307/m1/2/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Car-Coupling., patent, August 1, 1899; (https://texashistory.unt.edu/ark:/67531/metapth512307/m1/2/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .