(en) William Jeffery Bull et Banasik, Michael E., Missouri brothers in gray : the reminiscences and letters of William J. Bull and John P. Bull, Camp Pope Bookshop, , 179 p. (ISBN978-0-9628936-8-1, OCLC39400892, lire en ligne)
(en) Eathan Allen, Pinnell, Serving with honor : the diary of Captain Eathan Allen Pinnell, Eighth Missouri Infantry (Confederate), Camp Pope Bookshop, , 431 p. (ISBN978-0-9628936-9-8, OCLC42815700, lire en ligne)