Reminiscences of General Herman Haupt : Director, Chief Engineer and general superintendent of the Pennsylvania Railroad ... giving hitherto unpublished official orders, personal narratives of important military operations, and interviews with President Lincoln, Secretary Stanton, General-in-chief Halleck, and with Generals McDowell, McClellan, Meade, Hancock, Burnside, and others in command of the armies in the field, and his impressions of these men | Collections | The Huntington