Harness., patent, November 16, 1909; (https://texashistory.unt.edu/ark:/67531/metapth513294/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Harness., patent, November 16, 1909; (https://texashistory.unt.edu/ark:/67531/metapth513294/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .