http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the desk reference for major herbal supplements
Dennis J. McKenna, Kenneth Jones, Kerry Hughes, with Sheila Humphrey.
2nd edition of: Natural dietary supplements : a desktop reference. Marine on St. Croix, MN : Institute for Natural Products Research, c1998.
Includes bibliographical references and index.