Below are some some items I enjoyed reading pertaining to the history of the Amazon and Rio Negro:
A Brief History of Rubber
(PDF version)
Henry Walter Bates
(PDF version)
History of the Rio Negro
(PDF version)
Humboldt and the Casiquiare Canal
(PDF version)
The Naturalist on the River Amazons
by Henry Walter Bates
(PDF version)
The Putumayo Affair
(PDF version)
Questions,
comments, corrections: please email
Steve Perrin