"Japurá River Valley (Colombia and Brazil)" . . "Witoto Indians." . . "Yapura River Valley." . . "Putumayo River Valley." . . "Indians of South America Amazon River Valley." . . "The North-West Amazons Notes of Some Months Spent Among Cannibal Tribes"@en . . "The north-west Amazons notes of some months spent among cannibal tribes"@en . "The North-West Amazonas : notes of some months spent among cannibal tribes" . . . . . "North-west amazons : notes of some months spent among cannibal tribes"@en . "The north-west Amazons: notes of some months spent among cannibal tribes" . "The north-west Amazons: notes of some months spent among cannibal tribes"@en . "The north-west Amazons : notes of some months spent among cannibal tribes"@en . "The north-west Amazons : notes of some months spent among cannibal tribes" . . . . . . . . . "The North-West Amazons. Notes of some months spent among cannibal tribes. [With plates and a map.]"@en . . "The north-west amazons : Notes of some months spent among cannibal tribes. [Illustr.]" . "The North-West Amazons, notes of some months spent among cannibal tribes, by Thomas Whiffen" . "The North-West Amazons" . . . "The North-West Amazons : Notes of some months spent among cannibal tribes" . . . . . . "The North-West Amazons : notes of some months spent among cannibal tribes" . . . . . "The North-West Amazons notes of some months spent among cannibal tribes" . . . . . . . . . . . "The North-West Amazons: notes on some months spent among cannibal tribes. [With maps and plates.]"@en . . . . . . . . . "Travel literature" . . . . "Bora Indians." . . "Indians, South American." . . . . "Amazon River Region" . .