Door Stop, patent, May 30, 1905; (https://texashistory.unt.edu/ark:/67531/metapth510059/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Door Stop, patent, May 30, 1905; (https://texashistory.unt.edu/ark:/67531/metapth510059/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .