Litterature

Culpeper, N.(1653): Culpeper's Complete Herbal. Wordsworth Editions Ltd, Hertfordshire, UK.

Cunningham, S. (1985): Cunningham's Encyclopedia of Magical Herbs. Llewellyn Publications, Minnesota.

Davis, P. (1988): Aromatherapy: An A-Z. The CW Daniel Company Ltd., Essex, England.

Druehyld, D. (1988): Heksens håndbog. Høst & Søns Forlag, København.

Evans, W.C.(1989): Trease and Evans' Pharmacognosy, 13th Edition. Ballière Tindall, London.

Felter, H. W. & J. U. Lloyd(1898): King's American Dispensatory. (web version here)

Grieve, M.(1931): A Modern Herbal. Dover Publications Inc, New York.

Lee, D. (1993): Magical Incenses. Revelations 23 Press.

Mossberg, B. & Stenberg, L.(1994): Den Store Nordiske Flora. Gads Forlag, København.

Nielsen, H. (1965): Lægeplanter og trolddomsurter. Politikens Forlag, København.

Schultes et al. (1978): Medicines from the Earth. McGraw-Hill Book Company (UK) Ltd. Maidenhead, England.

Vermeulen, N. (1998): Geïllustreerde Kruiden Encyclopedie. Rebo productions, Lisse.

Weiss & Fintelmann (2000): Herbal Medicine, Second Edition. Thieme Verlag, Stuttgart.

Wren, A.C.(1988): Potter's New Encyclopedia of botanical drugs and preparations. C.W.Daniel Company Ltd, UK