- Bibliography on Water Resources and International Law Peace Palace Library
- Information and a map of the Amazon's watershed
- Amazon biogeography (French, English, Spanish)
- Herndon and Gibbon Lieutenants United States Navy The First North American Explorers of the Amazon Valley, by Historian Normand E. Klare. Actual Reports from the explorers are compared with present Amazon Basin conditions.
- Scientists find Evidence Discrediting Theory Amazon was Virtually Unlivable by ワシントン・ポスト