Powell, Beal S. [Letter from Beal S. Powell to Lena Lawson, May 12, 1945], letter, May 12, 1945; (https://texashistory.unt.edu/ark:/67531/metapth348835/m1/1/: accessed July 7, 2020), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .