Dallas County Probate Case 2877: Friedenberger, Berthold (Deceased), legal document, 1898-05-23/1907-12-26; (https://texashistory.unt.edu/ark:/67531/metapth492747/m1/1/: accessed July 12, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .