Briggs, Josephine. [Letter from Josephine Briggs to Captain Will Fritz, May 12, 1963 #3], letter, December 5, 1963; (https://texashistory.unt.edu/ark:/67531/metapth338280/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .