Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

Ethnologue: Languages of the World, 16th Edition (2009) . (2009) · edited by M. Paul Lewis · SIL International http://www.ethnologue.com/

Atlas of the World’s Languages in Danger . Christopher Moseley (ed.) (2010) · UNESCO Publishing http://www.unesco.org/culture/en/endangeredlanguages/atlas

World Oral Literature Project . http://www.oralliterature.org

South America ( pp. 103-196 ) . Mily Crevels (2007) · In Atlas of the World's Endangered Languages edited by C. Moseley · London & New York: Routledge

The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press

Estudios panos 3: Las lenguas pano y su reconstrucción ( pp. 212 ) . Romero, Ezequiel and Shell, Olive A. (1975) · Serie Lingüística Peruana · Vol. 12 · Instituto Lingüístico de Verano http://www.sil.org/americas/peru/html/pubs/show_work.asp?id=567

Cashibo ( pp. 198-202, 179-218 ) . Olive A. Shell (1950, 1957) · International Journal of American Linguistics. 16, 22 (4, 3) ·

Vocabulario cashibo-cacataibo ( pp. 105 ) . Shell, Olive A. (1987) · Serie Lingüística Peruana · Vol. 23 · Instituto Lingüístico de Verano http://www.sil.org/americas/peru/html/pubs/show_work.asp?id=578

Quirica Gramática: Nociones Grammaticales: Cashibo ( pp. 104 ) . Lila Wistrand (1984) · Libro de Lectura y Gramática · Vol. 8 · Ministerio de Educación and Instituto Lingüístico de Verano

Cashibo 1: Phonemes ( pp. 198-202 ) . Shell, Olive (1950) · International Journal of American Linguistics. 16 (2) ·

Ra-Txa Hu-Ni-Ku-i, A Lingua Dos Caxinauas . De Abreu, J. Capistrano (1914) · Typographia Leuzinger