^Long, John D.; Rawson, Edward K.; Stewart, Charles W. (1899). "Expedition against Franklin, Va., October 3, 1862: Report of Lieutenant-Commander Flusser, U. S. Navy, commanding U. S. S. Commodore Perry. (October 6, 1862 (1862-10-06))". Official Records of the Union and Confederate Navies in the War of the Rebellion. 1. Vol. 8. United States Government Printing Office. pp. 108–110.
^Casstevens, Frances Harding (August 2004). "Partial List of Inmates at Castle Thunder". George W. Alexander and Castle Thunder: A Confederate Prison and Its Commandant. McFarland & Company. p. 185. ISBN978-0-7864-1859-6. Howland, George—Captain of U.S.S. Emily, held in Libby Prison and Castle Thunder. Letters and memoirs are housed in the New York State Library.253