File or Bill-Book., patent, July 10, 1894; (https://texashistory.unt.edu/ark:/67531/metapth173765/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
File or Bill-Book., patent, July 10, 1894; (https://texashistory.unt.edu/ark:/67531/metapth173765/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .