Lang, Victor J., Jr. [Letter from Victor J. Lang, Jr. to I. H. Kempner, March 11, 1963], letter, March 11, 1963; (https://texashistory.unt.edu/ark:/67531/metapth1513830/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .