Shahan, Hilton. [Letter from Hilton Shahan to Truett Latimer, February 23, 1961], letter, February 23, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1273626/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .