[Letter from L. R. Capron to I. H. Kempner, October 1, 1951], letter, October 1, 1952; (https://texashistory.unt.edu/ark:/67531/metapth1456857/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .