Car Coupling., patent, August 16, 1892; (https://texashistory.unt.edu/ark:/67531/metapth173143/m1/2/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Car Coupling., patent, August 16, 1892; (https://texashistory.unt.edu/ark:/67531/metapth173143/m1/2/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .