Medicinal Plants and Their Utilization

Occurrence of compound Mescaline in plants

Rafinesque Medical Flora Vol. 1 & 2 (p.337)

42nd Annual Report of the Bureau of American Ethnology

A. P. Sinnett - The Occult World (1881)

A. P. Sinnett - The Occult World (2 ed.) - 1882

Notes about the uses of plants by one of the last healers in the Basilicata Region (South Italy)

Family Tree of Theosophy