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

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

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) ·

Topics in Tepehua Grammar . Watters, James K. (1988) ·

The interpretation of deverbal nouns in Tepehua ( pp. 323-339 ) . Watters, James K. (1996) · In Grammatical Constructions. Their Form and Meaning edited by Shibatani, Masayoshi and Thompson, Sandra A. · Clarendon Press