Hall, Arthur E., Jr. [Letter from Arthur E. Hall, Jr. to Truett Latimer, June 30, 1961], letter, June 30, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1272064/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .