Dallas County (Tex.). Dallas County Probate Case 775: Nussbaumer, Jacob (Deceased), legal document, 1878-04-18/1882-05-01; (https://texashistory.unt.edu/ark:/67531/metapth569205/m1/1/: accessed June 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .