A Curious Herbal, Containing Five Hundred Cuts of the Most Useful Plants, Which Are Now Used in the Practice of Physick was written, drawn, engraved and coloured by Elizabeth Blackwell in 1737 (Vol. 1) and 1739 (Vol. 2).
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.