Car-Coupling, patent, June 7, 1892; (https://texashistory.unt.edu/ark:/67531/metapth173075/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Car-Coupling, patent, June 7, 1892; (https://texashistory.unt.edu/ark:/67531/metapth173075/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .