catalog of united states army uniforms in the collections of the smithsonian institution United States Army Headgear 1855-1902 / Edgar M. Howell With mounted infantery in Tibet / by Brevet-Major W.J. Ottley the life of science library Sons of science : the story of the Smithsonian Institution and its leaders / Paul H. Oehser war atlas : armed conflict, armed peace / Michael Kidron & Dan Smith