Stock Feeding Device, patent, January 22, 1907; (https://texashistory.unt.edu/ark:/67531/metapth511549/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Stock Feeding Device, patent, January 22, 1907; (https://texashistory.unt.edu/ark:/67531/metapth511549/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .