Adjustable Light Shade and Reflector., patent, March 7, 1911; (https://texashistory.unt.edu/ark:/67531/metapth508416/m1/2/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Adjustable Light Shade and Reflector., patent, March 7, 1911; (https://texashistory.unt.edu/ark:/67531/metapth508416/m1/2/: accessed June 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .