Insect-Exterminator, patent, April 17, 1906; (https://texashistory.unt.edu/ark:/67531/metapth509102/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Insect-Exterminator, patent, April 17, 1906; (https://texashistory.unt.edu/ark:/67531/metapth509102/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .