The great invasion of 1863 : or, General Lee in Pennsylvania. Embracing an account of the strength and organization of the armies of the Potomac and northern Virginia; their daily marches with the routes of travel, and general orders issued; the three days of battle; the retreat of the Confederate and pursuit by the Federals; analytical index ... with an appendix containing an account of the burning of Chambersburg, Pennsylvania, a statement of the General Sickles controversy, and other valuable historic papers.