[Letter from I. H. Kempner to W. H. Louviere & George Andre, April 22, 1954], letter, April 22, 1954; (https://texashistory.unt.edu/ark:/67531/metapth1134164/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .