[Copy of Letter from William M. Nathan to Dr. A. L. Sachar, November 2, 1945], letter, November 2, 1945; (https://texashistory.unt.edu/ark:/67531/metapth1485668/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .