Keywords: Edward Duffield Neill by W&F Langenheim c1842.jpg Edward Duffield Neill http //collections mnhs org/visualresources/ Visual Resources Database Minnesota Historical Society 1842 Frederick Langenheim 1809-1879 and William Langenheim 1807-1874 daguerreotype PD-old other versions http //collections mnhs org/visualresources/image cfm imageid 172190 Langenheim Brothers 1842 portrait photographs Male 19th-century portrait photographs of standing men at three-quarter length 1842 Daguerreotype portraits |