Railroad Motor-Car, patent, February 22, 1910; (https://texashistory.unt.edu/ark:/67531/metapth512105/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Railroad Motor-Car, patent, February 22, 1910; (https://texashistory.unt.edu/ark:/67531/metapth512105/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .