Hermes Trismegistus - Wikipedia, the free encyclopedia
A good article about Hermes the thrice-greatest and the hermetic background

Hermetic Research :: Development of the Human Spirit
A true find.

The Alchemy Web Site
The basic site for the study of alchemy.

Emerald Tablet - Wikipedia, the free encyclopedia
Another fine article from Wikipedia -- this one about "The Emerald Tablet," an ancient text used by alchemists. You'll find Isaac Newton's translation here.