Pennybacker, Anna J. Hardwicke. A new history of Texas for schools : also for general reading and for teachers preparing themselves for examination, book, 1895; (https://texashistory.unt.edu/ark:/67531/metapth2388/m1/95/: accessed November 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .