Calf Weaner., patent, November 29, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171673/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Calf Weaner., patent, November 29, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171673/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .