Dallas County (Tex.). Dallas County Probate Case 1253: Langston, Mary A. (Minor), legal document, 1889-03-14/1890-12-20; (https://texashistory.unt.edu/ark:/67531/metapth587095/m1/1/: accessed December 11, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .