General Dynamics Corporation. Fort Worth Division. Division Log, Number 1077, November 4, 1980, periodical, November 4, 1980; (https://texashistory.unt.edu/ark:/67531/metapth1149799/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .