"II Corps" . . . "XII Corps (Union Army)" . "XII Corps (Union Army)" . "XII Corps (Army of the Potomac)" . . . . . "XII Corps" . . . . . . . . . . "1862" . . . . "XIII Corps" . . "1862" . "XII Corps, Army of the Cumberland" . "12th Corps" . "12th Army Corps" . . . "1864" . "Twelfth" . . . "Department of the Shenandoah" . . . . . . . . . . . "Union XII Corps" . . . "XII" . . .