Thanks himie! and...
here's a few more from another site

The Southwest School of Botanical Medicine
[link to www.swsbm.com]
has a dandy page of links to information and downloads of medicinal manuals.

These are some I’ve found useful:

Desert Plants and People
[link to www.swsbm.com]

Herbal Materia Medica
[link to www.swsbm.com]

Herb Formulas for Clinic and Home, 2nd Edition
[link to www.swsbm.com]

Herbal-Medical Contraindications
[link to www.swsbm.com]