Truslow, John B. [Letter from John B. Truslow to I. H. Kempner, April 28, 1959], letter, April 28, 1959; (https://texashistory.unt.edu/ark:/67531/metapth1504329/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .