WBAP-TV (Television station : Fort Worth, Tex.). [News Script: Special grand jury ordered in Dallas], item, March 20, 1957; (https://texashistory.unt.edu/ark:/67531/metadc789991/m1/1/: accessed November 20, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .