[Telegram from Emily and Harry Freiberg to I. H. Kempner for his Birthday - January 14, 1958], letter, January 14, 1958; (https://texashistory.unt.edu/ark:/67531/metapth1514705/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .