The Naturalist On the River Amazons

In the Heart of the Amazon Forest

Travels on the Amazon

Travels on the Amazon

In the Wilds of South America

In the Wilds of South America

In the Wilds of South America: Six Years of Exploration in Colombia, Venezuela, British Guiana, Peru, Bolivia, Argentina, Paraguay, and Brazil

The Naturalist on the River Amazons

In the Heart of the Amazon Forest

The Naturalist on the River Amazons. A record of adventures, habits of animals, sketches of Brazilian and Indian life, and aspects of nature under the Equator, during eleven years of travel. vol. II

The Naturalist on the River Amazons Volume I

The Naturalist on the River Amazons Vol II

The Naturalist on the River Amazons