Crombie, Deborah. [Letter from Deborah Crombie to John Douglas, December 19, 1991], letter, December 19, 1991; (https://texashistory.unt.edu/ark:/67531/metadc1614800/m1/1/: accessed July 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .