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

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

Personal Communication . Gregory Anderson (2012) ·

South Asia and the Middle East ( pp. 289-348 ch. 4 ) . George Van Driem (2007) · In Encyclopedia of the World's Endangered Languages edited by Christopher Mosely · London and NewYork: Routledge

A Grammar of the Toda Language . S. Sakthivel (1977) · Annamalainagar: Annamalai University

Toda Grammar and Texts . Emeneau, M. B. (1984) · American Philosophical Society

Toda Vocabulary: a preliminary list . Tsuyoshi Nara and Peri Bhaskararao (2001) · ndangered Languages of the Pacific Rim · Vol. A3-002 · Osaka: Kan Taiheiyo no gengo (ELPR)