- http://www.radford.edu/sbisset/civilwar.htm
- http://americanhistory.mrdonn.org/civilwar.html
- http://en.wikipedia.org/wiki/American_Civil_War
- http://www.civilwar.com/
- http://www.us-civilwar.com/
- http://americanhistory.about.com/od/civilwarmenu/a/cause_civil_war.htm
- http://www.youtube.com/watch?v=TN85StJ2mTU
- http://player.discoveryeducation.com/index.cfm?guidAssetId=82827065-C4FE-48E7-8B53-83A616190CF1&blnFromSearch=1&productcode=US
- http://player.discoveryeducation.com/index.cfm?guidAssetId=135E5284-DDC9-4E7B-80B6-3540D8252622&blnFromSearch=1&productcode=US
- http://www.youtube.com/watch?v=kYb1AnEAOis
- http://www.ket.org/civilwar/primary.html