WBAP-TV (Television station : Fort Worth, Tex.). [News Script: Diphtheria epidemic], script, October 2, 1970, 8:25 a.m.; (https://texashistory.unt.edu/ark:/67531/metadc1327058/m1/1/: accessed July 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .