Clark, Mrs. Lamar S. [Letter from Mrs. Lamar S. Clark to Truett Latimer, March 15, 1961], letter, March 15, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1273715/m1/1/: accessed June 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .