Baby-Protector., patent, September 16, 1913; (https://texashistory.unt.edu/ark:/67531/metapth853841/m1/2/: accessed April 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Baby-Protector., patent, September 16, 1913; (https://texashistory.unt.edu/ark:/67531/metapth853841/m1/2/: accessed April 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .