The north-west Amazons : notes of some months spent among cannibal tribes / by Thomas Whiffen.

London : Constable, 1915.

xvii, 319 pages, 56 leaves of plates (some folded) : illustrations, map ; 23 cm

"My field of exploration, the tract between the middle. Inca and Japura rivers, and in their vicinity. Roughly speaking, this lies in that debatable land where the frontiers of Brazil meet those of Peru, Colombia, and--perhaps--Ecuador" p. 17

"The two groups (of Indians) with which we are mainly concerned...are the Witoto and the Boro"--p. 17

"Vocabularies and lists of names" (Witoto and Boro,: p. 296-310.)