Group at Headquarters of Army of Potomac, Falmouth, Va.- J.S. Crocker, Ulris Dahlgren, B.C. Ludlow, A.N. Duffie, E.R. Warner, Lord Abinger, J. Dickinson, S.F. Barstow, J.B. Howard, D.W. Flagler, Harry LCCN2002709443