Title: Don't Sleep, There Are Snakes: Life and Language in the Amazonian Jungle, Author: Daniel L. Everett
Title: The Amazonian Languages, Author: R. M. W. Dixon
Title: HANDBOOK AMAZONIAN LANGUAGES / Edition 1, Author: Desmond C. Derbyshire
Title: Ethnicity in Ancient Amazonia: Reconstructing Past Identities from Archaeology, Linguistics, and Ethnohistory, Author: Alf Hornborg