Cartwright, Herb. [Telegram from Herb Cartwright to A. H. Blackshear Jr., February 1, 1954], letter, February 1, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1467417/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .