1. Ethnopharmacology : objectives, principles, and perspectives;Bruhn,1982
2. Ethnopharmacologic Search for Psychoactive Drugs,1967
3. Problems and prospects of discovering new drugs from higher plants by pharmacological screening;Farnsworth,1977
4. The uteroactive principle of “Kalata-Kalata” (Oldenlandia affinis DC;Gran,1973
5. Die menschlichen Genussmittel;Hartwich,1911