http://www.iep.utm.edu/freud/
http://www.biography.com/people/sigmund-freud-9302400#lasting-legacy
http://www.simplypsychology.org/Sigmund-Freud.html
http://psychology.about.com/od/sigmundfreud/p/sigmund_freud.htm
http://www.biography.com/people/sigmund-freud-9302400#lasting-legacy
http://www.simplypsychology.org/Sigmund-Freud.html
http://psychology.about.com/od/sigmundfreud/p/sigmund_freud.htm