Skirvin, John. Oral History Interview with John Skirvin, February 17, 2007, text, February 17, 2007; (https://texashistory.unt.edu/ark:/67531/metapth1604284/m1/3/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .