1864
Timothy H. O'Sullivan, 1871
Alexander Gardner, 1862
Timothy H. O'Sullivan, 1874
Alexander Gardner, 1864
Alexander Gardner, 1865
Timothy H. O'Sullivan, 1863
![[President Lincoln, United States Headquarters, Army of the Potomac, near Antietam]](https://media.getty.edu/iiif/image/d5f4b040-0ccd-4b30-9243-f8611918de62/full/843,/0/default.jpg)
