Sources:
http://www.civilwar.com/index.php/battles/battle-summaries.html
http://www.civil-war.net/searchphotos.asp?searchphotos=Gettysburg,%20PA
http://biowww.clemson.edu/aged/dl/aged480/jennifer/stage.htm
http://biowww.clemson.edu/aged/dl/aged480/jennifer/keybat.htm
http://biowww.clemson.edu/aged/dl/aged480/jennifer/cause.htm
http://biowww.clemson.edu/aged/dl/aged480/jennifer/lead.htm
http://www.civil-war.net/searchphotos.asp?searchphotos=Gettysburg,%20PA
http://biowww.clemson.edu/aged/dl/aged480/jennifer/stage.htm
http://biowww.clemson.edu/aged/dl/aged480/jennifer/keybat.htm
http://biowww.clemson.edu/aged/dl/aged480/jennifer/cause.htm
http://biowww.clemson.edu/aged/dl/aged480/jennifer/lead.htm