- The American Pageant 12th Edition- David M. Kennedy, Lizabeth Cohen, Thomas A. Bailey
- Pictures from: http://memory.loc.gov/ammem/cwphtml/cwphome.html ; http://www.berwickacademy.org/lincoln/lincoln_seated.jpg ; http://www.usa-presidents.info/johnson.htm ; http://www.civil-war.net/cw_images/files/images/111.jpg ; http://cla.calpoly.edu/~lcall/204/secession.gif ; http://scalawag.wikispaces.com/file/view/15th%2520amendment.jpg/77228641/15th%2520amendment.jpg ; http://3.bp.blogspot.com/-H0t0cO_zwYo/TW6JF8q3K5I/AAAAAAAAAEU/YyXGOzAWgrw/s1600/Lincoln.gif ; http://upload.wikimedia.org/wikipedia/commons/thumb/8/80/EMANCI4.jpg/300px-EMANCI4.jpg
- http://www.masshist.org/online/54thregiment/essay.php?entry_id=528
- http://lifeofthecivilwar.blogspot.com/2010/01/gag-rule.html
- http://www.civilwarhome.com/anacondaplan.htm
- http://www.nps.gov/resources/story.htm?id=251
- http://www.history.com/topics/battle-of-second-bull-run
- http://www.u-s-history.com/pages/h221.html