[Clay Smothers political letter], letter, May 22, 1978; (https://texashistory.unt.edu/ark:/67531/metadc1788051/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
[Clay Smothers political letter], letter, May 22, 1978; (https://texashistory.unt.edu/ark:/67531/metadc1788051/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .