Mehan, R. I. [Letter from R. I. Mehan to J. C. Wilson, July 2, 1941], letter, July 2, 1941; (https://texashistory.unt.edu/ark:/67531/metapth1198257/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .