|
About
|
Our Research
|
Our Board
|
HRI Review
|
Support Heffter
|
News
|
Contact
SUPPORT HEFFTER
was the first scientist to study, systematically, a naturally-occurring hallucinogen, publishing his work in 1897.
Learn More
OUR RESEARCH
OUR BOARD OF
DIRECTORS
THE HEFFTER REVIEW
The Official Journal of Heffter Research Institute
Choose a volume and read full text PDFs of the articles inside.
VOLUME 1
VOLUME 2