Carswell, T. N. (Thomas Norwood). [Letter from T. N. Carswell to Judge Walter Pope - December 23, 1960], letter, December 23, 1960; (https://texashistory.unt.edu/ark:/67531/metapth1398976/m1/1/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .