Loring, Sam G. [Letter from Sam G. Loring to Harris L. Kempner, March 31, 1964], letter, March 31, 1964; (https://texashistory.unt.edu/ark:/67531/metapth1421098/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .