WBAP-TV (Television station : Fort Worth, Tex.). [News Script: New ambulance study], script, January 30, 1969, 12:00 p.m.; (https://texashistory.unt.edu/ark:/67531/metadc1147964/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .