Animal-Trap., patent, December 5, 1899; (https://texashistory.unt.edu/ark:/67531/metapth511996/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Animal-Trap., patent, December 5, 1899; (https://texashistory.unt.edu/ark:/67531/metapth511996/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .