Albert Hofmann (Foreward) books & textbook
The Encyclopedia of Psychoactive Plants: Ethnopharmacology and Its Applications
Christian Ratsch Albert Hofmann (Foreward)
Park Street Press /2005-05-05 Hardcover / 944 Pages
isbn-10: 0892819782 / isbn-13: 9780892819782
Pharmacotheon: Entheogenic Drugs, Their Plant Sources and History
Jonathan Ott Albert Hofmann (Foreward)
Natural Products Co. /1993T Paperback
isbn-10: 0961423498 / isbn-13: 9780961423490
