Encyclopedia.com - LSD
An online encyclopedia listing a short definition of LSD.

Interdope: LSD section
Virtual LSD trips, trip stories, and facts about the drug.

LSD
Chemical and biological information plus a history.

Stain Blue: Albert Hofmann
About Dr. Albert Hofmann, who first synthesized LSD. Includes chemical information and diagrams.

The Libra Project
Information and links related to LSD.