Kempner, Isaac Herbert, Jr. [Letter from Isaac Herbert Kempner Jr., to John W. Lowe, May 19, 1953], letter, May 19, 1953; (https://texashistory.unt.edu/ark:/67531/metapth1197695/m1/1/: accessed July 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .