1. How Was Quinine Discovered?. [ http://www.ehow.com/facts_5828007_quinine-discovered_.html#ixzz1JrTqGgQq ]
2. David B, Jacoby RMY: Encyclopedia of Family Health. 2005, Third
3. Quinine. [ http://www.discoveriesinmedicine.com/Ni-Ra/Quinine.html ]
4. Cinchona bark. [ http://historyofmalaria.com/2010/02/cinchona-bark/ ]
5. Dobson SMaM: The history of antimalarial drugs. Antimalarial Chemotherapy: Mechanisms of Action, Resistance, and New Directions in Drug Discovery. Edited by: PJ R. 2001, Totowa, New Jersey: Humana Press, 15-25.