Classic texts: Scudder's Materia Medica, 1898: Stimulants.
Classic texts: Eli Jones' Definite Medication, 1911.
Henriette's herbal blog.
Henriette's herbal blog: Here come the YACFCs!
Henriette's herbal blog: It's fascinating just how far our diet will take us.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.