Dallas County (Tex.). Dallas County Probate Case 554: Robberson, A.F. (Deceased), legal document, 1866/1873-02-28; (https://texashistory.unt.edu/ark:/67531/metapth598409/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .