General Dynamics Corporation. Convair Division. Convairiety, Volume 13, Number 7, Wednesday, March 30, 1960, periodical, March 30, 1960; (https://texashistory.unt.edu/ark:/67531/metapth777380/m1/1/: accessed November 18, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .