http://www.funtrivia.com/en/subtopics/LSD-337406.html
http://www.narconon.ca/LSD.htm
http://www.sunshinecoasthealthcentre.ca/lsd-psychedelics.html
http://library.thinkquest.org/C005038/lsd.htm
http://www.drugs-forum.com/forum/showthread.php?t=104075
http://www.drug-addiction.com/what_is_lsd.htm
http://www.thegooddrugsguide.com/lsd/index.htm
http://alcoholism.about.com/cs/lsd/f/lsd_faq04.htm
http://www.narconon.ca/LSD.htm
http://www.sunshinecoasthealthcentre.ca/lsd-psychedelics.html
http://library.thinkquest.org/C005038/lsd.htm
http://www.drugs-forum.com/forum/showthread.php?t=104075
http://www.drug-addiction.com/what_is_lsd.htm
http://www.thegooddrugsguide.com/lsd/index.htm
http://alcoholism.about.com/cs/lsd/f/lsd_faq04.htm