American Battlefield Trust
American Battlefield Trust: Civil War: Chancellorsville May 1, 1863
This map tells the story and shows the troop movements of both the Union and Confederate armies on the first day of battle at Chancellorsville, Virginia, in 1863. The map can be downloaded in PDF format.
A&E Television
History.com: 7 Critical Civil War Battles
These battles were among the most pivotal in America's bloodiest conflict: First Bull Run, Fort Donelson, Antietam, Chancellorsville, Vicksburg, Gettysburg, and Atlanta.
Other
Beeghley Tech Innovations: Teaching the Civil War With Technology: Battles
This is an alphabetical list of links to resources for specific battles of the Civil War such as Antietam and Appomattox.