[Letter from Eric Goldberger and Augusta Goldberger to I. H. Kempner, January 12, 1958], letter, January 12, 1958; (https://texashistory.unt.edu/ark:/67531/metapth1514523/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .