websites

http://www.happyhippie.com/hippie-history.html
http://www.richardgregory.org.uk/history/hippie-trail.htm
http://www.avclub.com/chicago/articles/take-a-look-at-the-history-of-greaser-gangs-in-chi,56714/http://www.hippiesbeautyandbooksohmy.com/p/contac-me.html