Hawker, H. W. (Herman William) & Devereux, R. E. (Robert Eddins). Soil survey, Henderson County, Texas, book, 1929; (https://texashistory.unt.edu/ark:/67531/metapth19781/m1/5/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .