NarcoTerror.org
A Project of Common Sense for Drug Policy. I have nothing to do with this organization, but there's some damned interesting reading here.
Erowid.org
Documenting the complex relationship between humans and psychoactives.
The Boodle Boys
A fascinating article about the opium trade, including Bush family ties.
Roger McGuinn's Folkden
Roger is one of my musical heroes. He's been putting his own arrangements of traditional songs on the web for 10 years and they're all available here.
Yet Another Digital Tradition Page
A useful resource.
Bodleian Library Broadside Ballads
Another useful resource.
The Ptolemaic Terrascope
An illustrated occasional.
Sounds and Visions of Tomorrow Today
The Drugmusic webcast.