Latimer, Truett. [Letter from Truett Latimer to James H. Estes, February 21, 1961], letter, February 21, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1272193/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .