United States. Army. Ordnance Department 58 United States. Navy Department. Bureau of Ordnance 14 Great Britain. War Office 12 United States. Bureau of the Census 12 United States Military Academy 9 United States Naval Academy 9 United States. Office of Scientific Research and Development. National Defense Research Committee 9 Benton, James G. 1820-1881, USMA 1842 8 Bruff, Lawrence L. 1851-1911, USMA 1876 8 Hicks, James E. 1899- 8 Thomson, Harry C., 1912- 8 Mayo, Lida 7 Hogg, Ian V., 1926- 6 Manucy, Albert C. 6 Cipolla, Carlo M. 5 Dahlgren, John Adolphus Bernard, 1809-1870 5 Dew, Charles B. 5 Gorgas, Josiah, 1818-1883, USMA 1841 5 Neufeld, Michael J., 1951- 5 Scheel, Heinrich Otto, 1745-1808 5 Tidball, John C. 1825-1906, USMA 1848 5 United States. Army 5 Bruce, Robert V. 4 California Institute of Technology 4 Center of Military History 4 Green, Constance McLaughlin, 1897-1975 4 Hogg, Ian V., 1926-2002 4 Laidley, Theodore, 1822-1886, USMA 1842 4 Metcalfe, Henry, 1847-1927, USMA 1868 4 Museum Restoration Service 4 New Video Group 4 United States. Congress. Joint Committee on the Conduct of the War 4 United States. War Department 4 Ward, Humphry, Mrs., 1851-1920 4 Arts and Entertainment Network 3 Baker, Rufus Lathrop, 1790-1868 3 Brandt, J. D. 3 Castner, Brian 3 Confederate States of America. Ordnance Bureau 3 Douglas, Howard, Sir, 1776-1861 3 Ford, Brian J. 3 Great Britain. Ministry of Munitions 3 Holley, Alexander Lyman, 1832-1882 3 Jandot, Andre 3 Lissak, Ormond Mitchell, 1861-1912, USMA 1882 3 MacDonald, Jacqueline 3 McFarland, Earl, 1883-1972, USMA 1906 3 Miller, Dayton Clarence, 1866-1941 3 Mordecai, Alfred, 1804-1887, USMA 1823 3 Naval Historical Center (U.S.) 3 more ...