Husbands, Fed H. [Letter from Fred H. Husbands to Isaac Herbert Kempner, April 19, 1962], letter, April 19, 1962; (https://texashistory.unt.edu/ark:/67531/metapth1507128/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .