Documents pertaining to the case of D. Wolf vs. John D. Colefield, cause no. 542, 1868, legal document, February 12, 1868; (https://texashistory.unt.edu/ark:/67531/metapth35074/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .