![](http://www.alamy.com/thumbs/6/3EA28C67-A330-44C7-8301-757702BDF696/KJ5FDW.jpg)
Left to Right: Photograph of Allan Pinkerton (1819-1884) President Abraham Lincoln (1809-1865) and John Alexander McClernand (1812-1900) during the Battle of Antietam. Dated 19th Century
Size: 4632px × 4527px
Location:
Photo credit: © World History Archive / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1862, 19th, abraham, agency, alexander, allan, america, american, antietam, archival, archive, battle, century, civil, detective, early, general, historical, history, john, lawyer, lincoln, mcclernand, national, photograph, photography, pinkerton, political, politician, politics, potus, president, scotland, scottish, spy, states, union, united, war