Latimer, Truett. [Letter from Truett Latimer to Ronald Blackwell, April 1, 1959], letter, April 1, 1959; (https://texashistory.unt.edu/ark:/67531/metapth1273936/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .