[Letter from the Texas Western College Rodeo Association to the S. D. Myres Saddle Company, January 15, 1966, letter, January 15, 1966; (https://texashistory.unt.edu/ark:/67531/metapth1011591/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .