Elizabeth M. Williamson (Williamson, Elizabeth M.)

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  Complementary Medicine: A Guide for Pharmacists
  by Denise F. Rankin-Box, Elizabeth M. Williamson
  Softcover, Churchill Livingstone, ISBN 0443070288 (0-443-07028-8)
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  Fundamentals of Pharmacognosy and Phytotherapy
  by Elizabeth M. Williamson, Michael Heinrich, Joanne Barnes, Simon Gibbons
  Softcover, Churchill Livingstone, ISBN 0443071322 (0-443-07132-2)
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  Major Herbs of Ayurveda
  by Dabur Research Foundation, Dabur Ayurvet Limited, Elizabeth M. Williamson, Malcolm Hooper
  Hardcover, Churchill Livingstone, ISBN 0443072035 (0-443-07203-5)
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  Pharmacological Methods in Phytotherapy Research: Selection, Preparation and Pharmacological Evaluation of Plant Material
  by Elizabeth M. Williamson, David T. Okpako, Fred J. Evans
  Hardcover, John Wiley & Sons Inc, ISBN 0471942162 (0-471-94216-2)
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  Potters Herbal Cyclopaedia: The Authoritative Reference Work on Plants With a Known Medical Use
  by Elizabeth M. Williamson
  Softcover, Trafalgar Square, ISBN 0852073615 (0-85207-361-5)
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  Selection, Preparation and Pharmacological Evaluation of Plant Material
  by Elizabeth M. Williamson, David T. Okpako, Fred J. Evans
  Softcover, John Wiley & Son Ltd, ISBN 0471942170 (0-471-94217-0)