Marcello, Ronald E.; Jenkins, Floyd & Matthews, J. C. Oral History Interview with J. C. Matthews, April 4, 1984, book, April 4, 1984; (https://texashistory.unt.edu/ark:/67531/metapth223656/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .