An brief history of kava root, with a few references, can be found here.
Alcohol and Drug Use in the Federated States of Micronesia
An online version of Francis X. Hezel's extended article, entitled "Alcohol and Drug Use in the Federated States of Micronesia: An Assessment of the Problem with Implications for Prevention and Treatment," for the Micronesian Seminar (March 1997), can be found here. The essay is divided into six chapters: research methodology, alcohol, marijuana, inhalants, hard drugs, and prevention and treatment; it also includes appendices.
Alcohol in Micronesia
An essay by Francis X. Hezel, entitled "Youth Drinking in Micronesia," from the Micronesian Counselor 6 (March 1992), can be found here.