[Letter from I. H. Kempner Jr. to A. H. Blackshear, November 22, 1949], letter, November 22, 1949; (https://texashistory.unt.edu/ark:/67531/metapth1486410/m1/2/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .