[ Autographs ] Ambrose E. Burnside 1824-1881 Union major general who allowed Lee's escape at Antietam and as head of the Army of the Potomac, saw it crushed at Fredericksburg. A.L.S. 2pp. 8vo. on Senateletterhead, Washington, July 13, 1880 to Prof. James Welling. In part "...The rise of my name is all right, but I am sorry to say that an important engagement... will prevent my attendance in Genl WiLson's lecture..." Fine, expertly inlaid.