Texas. Game and Fish Commission. Information and Education Branch. Texas Game and Fish, Volume 22, Number 12, December 1964, periodical, December 1964; (https://texashistory.unt.edu/ark:/67531/metapth1588386/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .