Latimer, Truett. [Letter from Truett Latimer to Leon R. Graham, July 18, 1961], letter, July 18, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1270119/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .