Smith, Henry C. [Letter from Henry C. Smith to R. O. Mehan, March 30,1960], letter, March 30, 1960; (https://texashistory.unt.edu/ark:/67531/metapth1322068/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .