[Letter from T. N. Carswell to the State Director of Selective Service, Texas - April 25, 1944], letter, April 25, 1944; (https://texashistory.unt.edu/ark:/67531/metapth1396975/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .