Cement Plaster Kettle, patent, April 5, 1904; (https://texashistory.unt.edu/ark:/67531/metapth512632/m1/1/: accessed June 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Cement Plaster Kettle, patent, April 5, 1904; (https://texashistory.unt.edu/ark:/67531/metapth512632/m1/1/: accessed June 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .