Toy Race-Course., patent, April 26, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171509/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Toy Race-Course., patent, April 26, 1887; (https://texashistory.unt.edu/ark:/67531/metapth171509/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .