6. The President's box at Ford's Theatre after the assassination of President Lincoln in Washington, D.C
7. Ford's Theater draped with a mourning cloth and guards outside the entrance after the assassination of President Lincoln in Washington, D.C.
8. Federal squadron dressed with flags for the anniversary of Maj. Robert Anderson's surrender in 1861 seen from a parapet of Fort Sumter, Charleston Harbor, SC. This photo was taken on April 14, 1865.
9. The former office of Price Birch & Company, Dealers in Slaves on Duke Street in Alexandria, VA
14. A photograph of the crowd during the dedication of the Gettysburg National Cemetery. It was during this event President Lincoln gave his Gettysburg Address.
15. Company F, 3d Regiment Massachusetts Heavy Artillery at Fort Stevens, Washington, D.C.
29. Unburied dead on the battlefield of Gaines Mill near Richmond, VA
30. Possibly the most famous photo from Gettysburg - The Gettysburg Sniper - the dead soldier in this photo was moved to this location and posed for this shot
32. A dead Confederate soldier in Gettysburg dear Devil's Den. It has been pretty much confirmed that this is the soldier that Alexander Gardner dragged to the sniper's den. You can see the resulting photo at this link:
45. Officers of 3d Regiment Massachusetts Heavy Artillery at Fort Totten, Washington, D.C.
46. The old Market House (188 Meeting Street), Charleston, SC
47. View of Maryland Heights from the cemetery at the crest of the hill in Harper's Ferry
48. Soldier springing the trap; men in trees and Capitol dome beyond during the execution of Captain Henry Wirz, the former warden at the Andersonville prison camp in Georgia. Captain Wirz was the first person in the United States to be convicted and executed for war crimes.
49. Coffins and open graves ready for the Lincoln assassination conspirators' bodies at right of scaffold
50. Adjusting the ropes for hanging the Lincoln assassination conspirators at the Washington Arsenal. In this photo I cropped in tight so you can actually see the faces of the conspirators as the ropes are being place around their necks, just moments before their execution.
51. Hanging hooded bodies of the four conspirators at the Washington Arsenal, you can see that the crowd is departing