Charles Langford, Yell leader, photograph, 1922; (https://texashistory.unt.edu/ark:/67531/metapth5150/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Charles Langford, Yell leader, photograph, 1922; (https://texashistory.unt.edu/ark:/67531/metapth5150/m1/1/: accessed May 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .