Wikimedia
Wikipedia: Battle of Antietam
This Wikipedia article on the bloodiest battle in American history gives background information on the battle, the battle itself, and the aftermath.
Amethyst Galleries
Antietam: A Photographic Tour
A photographic tour of the Battle of Antietam. Presents the battle through images of the sites where parts of the battle occurred and provides information about the battle sites. Included are many maps and commentary. A site for the...
Curated OER
National Park Service: Antietam National Battlefield
The National Park Service offers a wealth of information on Antietam, the battle, casualties, flags, and weapons. A very worthwhile site.
Civil War Home
Home of the American Civil War: Seven Days' Battles
Official records and detailed descriptions of the Seven Days' Battles including maps and reports of Union and Confederate generals. From several sources.
Curated OER
National Park Service: Cwsac: Civil War Battle Summaries: Battle of Antietam
This site, which is provided for by the National Park Service, gives a brief overview of the events at the Civil War Battle of Antietam.
Other
Civil War Album: Site Photos: Battle of Harpers Ferry
A brief description of the attack on Harpers Ferry along with maps of Confederate troop placements and photos of how it looks today.
