[Letter from J. McCarthy and L. C. Standifer to Truett Latimer, April 12, 1962], letter, April 12, 1962; (https://texashistory.unt.edu/ark:/67531/metapth1272306/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .