Incoming Resources
- Medicine quest, in search of nature's healing secrets, Mark J. Plotkin ; [illustrations by Laurence Richardson]
- Cannabis, evolution and ethnobotany, Robert C. Clarke and Mark D. Merlin
- Plants, people, and culture, the science of ethnobotany, Michael J. Balick, Paul Alan Cox
- Ethnobotany, evolution of a discipline, edited by Richard Evans Schultes and Siri von Reis