Winters, John H. [Letter from John H. Winters to Truett Latimer, July 21, 1961], letter, July 21, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1274410/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .