Dr. Idris R. Taylor Jr., ed. (April 1976). "Trail drive to Mark opening of Center". The International Center for Arid and Semiarid Land Studies. ICASALS Newsletter. 9 (2). Texas Tech University: 5–6. Retrieved September 6, 2020.
texas.gov
tsl.texas.gov
Texas State Symbols. Texas State Library and Archives Commission. Accessed May 2023.