W. E. (Walter Ernest) Hardenburg
The Putumayo, the Devil's Paradise Travels in the Peruvian Amazon Region and an Account of the Atrocities Committed upon the Indians Therein
W. E. (Walter Ernest) Hardenburg · 2014
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
Peru -- Description and travelPeruvian Amazon CompanyRubber industry and trade -- PeruPutumayo River