Blackshear, A. H., Jr. [Letter from A. H. Blackshear, Jr. to Daniel W. Kempner, August 19, 1954, Copy], letter, August 19, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1344095/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .