Wright, W. P. [Letter from W. P. Wright to T. N. Carswell - April 7, 1953], letter, April 7, 1953; (https://texashistory.unt.edu/ark:/67531/metapth1396714/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .