Harness Loop., patent, February 15, 1881; (https://texashistory.unt.edu/ark:/67531/metapth170119/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Harness Loop., patent, February 15, 1881; (https://texashistory.unt.edu/ark:/67531/metapth170119/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .