[Postcard from Mr. and Mrs. W. D. Clemmer to Truett Latimer, February 23, 1961], postcard, February 23, 1961; (https://texashistory.unt.edu/ark:/67531/metapth1274350/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .