evidence of cannabis - special commissions and inquiries into cannabis going back to 1894.
center for drug research - University of Amsterdam.
Department of the Environment, Transport & the Regions 'Cannabis and Driving' - Review of the Literature and Commentary.
marijuana & driving - report.
uk statistics - all the data.
cannabis media archive - local and national uk press database (also international).
http://www.csdp.org/research/ - links to mainly US data for journalists & researchers
European Monitoring Centre for Drugs and Drug Addiction - databases galor.
medical uses of cannabis
industrial uses of cannabis
the drug library - probally the world's largest online Library of Drug Policy.
media archive - searchable database of thousands of drug related news reports and articles.
Three key sites for sources of information
ISDD - the Institute for the Study of Drug Dependence in London. A source of excellent information principally about the U.K. + links to European sites.http://drugscope.org.uk -
Archido - The German-language archive for texts about drugs of any kind. Based at Bremen University where some of the best research into drug usage has been carried out over the last three decades. http://www.archido.de
EMCDDA - The central monitoring station in Lisbon for the European Union. The best source for statistical information from the EU. Much of it is English.http://www.emcdda.org