[Letter from Jack M. Rains to Nan Morris-Tala - July 9, 1987], letter, July 9, 1987; (https://texashistory.unt.edu/ark:/67531/metapth1556456/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .