First Cattle in the Chisos Mountains, paper, 1972~; (https://texashistory.unt.edu/ark:/67531/metapth39386/m1/1/: accessed June 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
First Cattle in the Chisos Mountains, paper, 1972~; (https://texashistory.unt.edu/ark:/67531/metapth39386/m1/1/: accessed June 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .