Michael Moore's Clinical Manuals
Spanish Language Materia Medica
David Hoffmann's Herbal Medicine Materia Medica at Healthy.net
The Dispensatory of the USA, 20th Edition (1918)
Culpeper's English Physician and Complete Herbal 1789
Materia Medica, Priest & Priest, 1982
A Modern Herbal by Mrs. Grieve
The Eclectic Materia Medica, Pharmacology, and Therapeutics, by Harvey Wilkes Felter, MD, 1922
The Physiomedical Dispensatory of William Cook, 1869
Sharol Tilgner's Materia Medica
