Safety Door or Gate Latch., patent, December 7, 1915; (https://texashistory.unt.edu/ark:/67531/metapth859577/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Safety Door or Gate Latch., patent, December 7, 1915; (https://texashistory.unt.edu/ark:/67531/metapth859577/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .