Truck., patent, May 25, 1920; (https://texashistory.unt.edu/ark:/67531/metapth1256596/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Truck., patent, May 25, 1920; (https://texashistory.unt.edu/ark:/67531/metapth1256596/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .