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

Ulithian ( pp. 792-803 ) . John Lynch (2002) · In The Oceanic Languages Curzon Language Family Series · edited by John Lynch and Malcolm Ross and Terry Crowley · Richmond: Curzon

Ulithian Grammar . Ho-Min Sohn and Byron W. Bender (1973) · Pacific Linguistics: Series C · Vol. 27 · Canberra: Research School of Pacific and Asian Studies, Australian National University

Pacific Languages . Lynch, John (1998) · University of Hawai'i Press

Ulithian ( pp. 792-803 ) . Lynch, John (2002) · In The Oceanic Languages edited by Lynch, John and Ross, Malcolm and Crowley, Terry · Curzon

A Ulithian Grammar . Sohn, Ho-min and Bender, B. W. (1973) · Pacific Linguistics, Series C · Vol. 27 · Australian National University