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

"A documentation of the Tomárâho variety of Chamacoco, a language of the Paraguayan Chaco, and research into its verbal morphosyntax" HRELP Abstract . Carro de Noya, Tracy (2011) · http://www.hrelp.org/grants/projects/index.php?projid=284

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

Glottolog . http://www.glottolog.org/glottolog/

Familia Zamuko: Čamakoko - Ayoweo . Branislava Susnik (1972) · Lenguas Chaqueñas · Vol. IV · Asunción del Paraguay: Muséo Etnográfico "Andrés Barbero"

Estructura de la lengua Chamacoco-ebitoso (con fraseario del dialecto Ebitoso) . Susnik, Branislava (1957) · Etnolingüística · Vol. I · Asuncíon: Boletín de la Sociedad Científica del Paraguay y del Museo Andrés Barbero

Notas complementares sobre os índios chamacoco ( pp. 529-551 ) . Baldus, Herbert (1931) · Revista do Museu Paulista. 17 (1) ·

El vocabulario Chamacoco ( pp. 10-47 ) . Belaieff, Juan (1937) · Revista de la Sociedad Científica del Paraguay. 4 (1) ·

I Ciamacoco ( pp. 466-510 ) . Guido Boggiani (1894) · Bollettino della Società Geografica Italiana. VII (3) ·

I Ciamacoco ( pp. 132 ) . Guido Boggiani (1894) · Roma: Società Romana per l'Antropologia

Vocabolario dell'idioma Ciamacoco: Apuntes póstumos de Guido Boggiani, compilados y redactados por C.~Loukotka ( pp. 149-175, 227-241 ) . Guido Boggiani (1929) · Anales de la Sociedad Científica Argentina. CVIII