- Civil War Collection at Gettysburg College offers political cartoons, letters, photographs, maps, and artifacts relating to the Civil War Era.
- Civil War Commemorates the 150th Anniversary of the American Civil War is a History Channel page that includes interactive diagrams, video clips, and a wealth of information about the War Between the States.
- American Civil War contains numerous quotes, historic and modern photos of battlefields, and links to resources.
- Arlington House, The Robert E. Lee Memorial has a virtual tour of this plantation, national cemetery, and the general.
- Secession Acts of the Thirteen Confederate States contains all primary source documents, including the two border states, Kentucky and Missouri.
- On this day, the Confederate Constitution is approved Scott Bomboy explains background about the short history of the Constitution of the Confederate States that was adopted on March 11, 1861.
- The Constitution of the Confederate States of America: What was Changed? And Why? provides a chart comparing the the Constitutions of the USA and CSA with Notes.