Collar Fastener or Clasp., patent, June 21, 1921; (https://texashistory.unt.edu/ark:/67531/metapth1257864/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Collar Fastener or Clasp., patent, June 21, 1921; (https://texashistory.unt.edu/ark:/67531/metapth1257864/m1/1/: accessed July 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .