Cotton-Stalk Knocker., patent, June 5, 1900; (https://texashistory.unt.edu/ark:/67531/metapth513930/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Cotton-Stalk Knocker., patent, June 5, 1900; (https://texashistory.unt.edu/ark:/67531/metapth513930/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .