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

Language endangerment in South America: The clock is ticking ( pp. 167-234 ) . Crevels, Mily (2012) · In The Indigenous Languages of South America: A Comprehensive Guide edited by Lyle Campbell and Veronica Grondona · Mouton de Gruyter

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

Língua Matis: aspectos descritivos da morfossintaxe . Rogério Vicente Ferreira (2001) ·

A survey of the languages of the Javari river valley, Brazil . Stan Anonby and David J. Holbrook (2010) ·

Língua Matis (Pano): Uma Descrição Grammatical . Rogério Vicente Ferreira (2005) ·

Língua Matis: Aspectos descritivos da morfossintaxe . Rogério Vicente Ferreira (2001) · LINCOM Studies in Native American Linguistics · Vol. 38 · München: Lincom

Lıngua Matis (Pano) . Ferreira, R. V. (2001) · Lincom Europa