References

Booth, Martin . Cannabis: A History. New York: St. Martin's Press, 2003.

 Brown, David T. Cannabis: The Genus Cannabis. Vol. 4. Amsterdam: Hardwood academic publishers, 1998. 4 vols.

 Earleywine, , Mitchell . Understanding marijuana : a new look at the scientific evidence. Oxford: Oxford University Press, 2002.

 Fraizer, Jack. The marijuana farmers; hemp cults and cultures. New Orleans: Solar Age Press, 1974.

 Preston, Brian . Pot planet : adventures in global marijuana culture. New York: Grove Press, 2002.

 Robinson, Rowan. The great book of hemp : the complete guide to the environmental, commercial, and medicinal uses of the world’s most extraordinary plant . Rochester, VT: Park Street Press, 2006.

Picture References

http://www.sxc.hu/browse.phtml?f=download&id=354251

http://en.wikipedia.org/wiki/File:Cannabis_female_flowers_close-up.jpg

http://www.1stmarijuanagrowerspage.com/closet-indica-hybrids.html

http://www.history.com/