WBAP-TV (Television station : Fort Worth, Tex.). [News Script: Environmental conference], script, February 17, 1971, 12:00 p.m.; (https://texashistory.unt.edu/ark:/67531/metadc1425176/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .