World Climate., map, 1922?; (https://texashistory.unt.edu/ark:/67531/metapth231279/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
World Climate., map, 1922?; (https://texashistory.unt.edu/ark:/67531/metapth231279/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .