Crownover, J. C. [Letter from J. C. Crowner to Truett Latimer, February 28, 1961], letter, February 28, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1272391/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .