Kempner, Daniel W. (Daniel Webster), 1877-1956. [Letter from Daniel W. Kempner to Hotel Excelsior, March 11, 1952], letter, March 11, 1952; (https://texashistory.unt.edu/ark:/67531/metapth1368524/m1/1/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .