Carr, A. S. E. [Letter from A. S. E. Carr to T. N. Carswell - June 21, 1946], letter, June 21, 1946; (https://texashistory.unt.edu/ark:/67531/metapth1398781/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .