Urinal., patent, November 16, 1909; (https://texashistory.unt.edu/ark:/67531/metapth512980/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Urinal., patent, November 16, 1909; (https://texashistory.unt.edu/ark:/67531/metapth512980/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .