Medicine Case., patent, May 11, 1886; (https://texashistory.unt.edu/ark:/67531/metapth171260/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Medicine Case., patent, May 11, 1886; (https://texashistory.unt.edu/ark:/67531/metapth171260/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .