Caver, Howard & Caver, Clara. The Community Bulletin (Abilene, Texas), No. 20, Saturday, December 30, 1967, newspaper, December 30, 1967; (https://texashistory.unt.edu/ark:/67531/metapth41728/m1/1/: accessed April 22, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .