Adjustable Vehicle-Headlight, patent, September 22, 1914; (https://texashistory.unt.edu/ark:/67531/metapth858068/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Adjustable Vehicle-Headlight, patent, September 22, 1914; (https://texashistory.unt.edu/ark:/67531/metapth858068/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .