White, A. B. [Letter from A. B. White to I. H. Kempner, III, August 31, 1973], letter, August 31, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1211445/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .