Ecstasy.org - http://www.ecstasy.org/ "Aims to gather and make accessible objective, authoritative and up to date information about the drug ecstasy (principally MDMA).
The site is non-profit making and is maintained by volunteers."
E for Ecstasy - http://ecstasy.org/books/e4x/ A book by Nicholas Saunders, 1993. The full text is avalable online for free.
