Blackshear, A. H., Jr. [Letter from A. H. Blackshear, Jr. to D. W. Kempner, August 11, 1950], letter, August 11, 1950; (https://texashistory.unt.edu/ark:/67531/metapth1359966/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .