Author, “Title,” Page or Date. Dr. Nathaniel M. Sims collection of Sims and Hitchcock family papers, MSC 354, Box number, Folder number. Naval Historical Collection, U.S. Naval War College, Newport, R.I. https://www.usnwcarchives.org/repositories/2/resources/19 Accessed April 06, 2020.
Naval Historical Collection Archives
John B. Hattendorf Center for Maritime Historical Research