http://www.trutv.com/library/crime/serial_killers/weird/axeman/index.html
http://www.history.com/topics/world-war-i
http://www.archives.gov/education/lessons/zimmermann/
http://en.wikipedia.org/wiki/The_Axeman_of_New_Orleans
http:/webcache.googleusercontent.com/search?q=cache:8uc3r3Db7MMJ:www.valdosta.edu/~stwhite/paper%25203.htm+&cd=2&hl=en&ct=clnk&gl=us
http://www.history.com/topics/world-war-i
http://www.archives.gov/education/lessons/zimmermann/
http://en.wikipedia.org/wiki/The_Axeman_of_New_Orleans
http:/webcache.googleusercontent.com/search?q=cache:8uc3r3Db7MMJ:www.valdosta.edu/~stwhite/paper%25203.htm+&cd=2&hl=en&ct=clnk&gl=us