Support for Telegraph Line-Wires and the Like., patent, May 21, 1918; (https://texashistory.unt.edu/ark:/67531/metapth1256467/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Support for Telegraph Line-Wires and the Like., patent, May 21, 1918; (https://texashistory.unt.edu/ark:/67531/metapth1256467/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .