Harness, patent, October 9, 1906; (https://texashistory.unt.edu/ark:/67531/metapth513282/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Harness, patent, October 9, 1906; (https://texashistory.unt.edu/ark:/67531/metapth513282/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .