Car-Coupling, patent, February 11, 1890; (https://texashistory.unt.edu/ark:/67531/metapth172293/m1/2/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Car-Coupling, patent, February 11, 1890; (https://texashistory.unt.edu/ark:/67531/metapth172293/m1/2/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .