A Harvest of Death, Gettysburg, Pennsylvania, July 1863, by Timothy H. O'Sullivan (American, born Ireland, 1840–1882), Alexander Gardner (American, Glasgow, Scotland 1821–1882 Washington, D.C.)

Timothy H. O’Sullivan (American, born Ireland, 1840–1882), Alexander Gardner (American, Glasgow, Scotland 1821–1882 Washington, D.C.)
A Harvest of Death, Gettysburg, Pennsylvania, July 1863
Albumen silver print from glass negative, accompanied by text page from Gardner’s Sketchbook
The Metropolitan Museum of Art, Gilman Collection, Museum Purchase, 2005 (2005.100.1201); image: © The Metropolitan Museum of Art, New York.