Letter signed David D. Porter, U.S.S. Black Hawk, Mound City, Illinois, to Seth Ledyard Phelps, U.S.S. Hastings, June 30, 1864, D01813. Missouri Historical Society Library and Research Center.

Letter signed David D. Porter, U.S.S. Black Hawk, Mound City, Illinois, to Seth Ledyard Phelps, U.S.S. Hastings, June 30, 1864, D01813. Missouri Historical Society Library and Research Center. https://mohistory.mobiusconsortium.org/repositories/2/digital_objects/9431 Accessed September 19, 2024.