Smith, William G.; Kocher, A. E. (Arthur E.), b. 1877; Rodgers, R. F. & Watkins, W. I. Soil survey of Taylor County, Texas, book, 1918; (https://texashistory.unt.edu/ark:/67531/metapth19833/m1/44/: accessed April 27, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .