WBAP-TV (Television station : Fort Worth, Tex.). [News Script: Plane meeting], item, April 18, 1969, 12:00 p.m.; (https://digital.library.unt.edu/ark:/67531/metadc1080655/m1/1/: accessed April 19, 2019), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .