http://www.ushistory.org/us/34f.asp
http://www.history.com/topics/abraham-lincoln-assassination
http://www.eyewitnesstohistory.com/lincoln.htm
http://teachinghistory.org/history-content/ask-a-historian/24242
http://memory.loc.gov/ammem/alhtml/alrintr.html
http://www.pbs.org/wgbh/americanexperience/features/timeline/assassination/
http://www.history.com/topics/abraham-lincoln-assassination
http://www.eyewitnesstohistory.com/lincoln.htm
http://teachinghistory.org/history-content/ask-a-historian/24242
http://memory.loc.gov/ammem/alhtml/alrintr.html
http://www.pbs.org/wgbh/americanexperience/features/timeline/assassination/