James Bogardus: Harper Brothers building, New York City, 1854 William Johnston (also attr. Thomas U. Walter): Jayne Building, Philadelphia, 1849 Thomas U. Walter: cast-iron dome of the Capitol, Washington DC, 1858-1865
William Johnston (also attr. Thomas U. Walter): Jayne Building, Philadelphia, 1849
Thomas U. Walter: cast-iron dome of the Capitol, Washington DC, 1858-1865