Dallas County Probate Case 811: Porter, Wm. D. (Deceased), legal document, 1881-06-01/1890-12-24; (https://texashistory.unt.edu/ark:/67531/metapth598323/m1/2/: accessed July 4, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .