Sumo
[também conhecido como Sumo-Mayangna, Sumu, Ulwa, Ulua, Ulúa, Woolwa, Mayangna]Classificação: Misumalpan
·ameaçado
Classificação: Misumalpan
·ameaçado
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/
Theoretical and Universal Implications of Certain Verbal Entries in Dictionaries of the Misumalpan Languages . Ken Hale and Danilo Salamanca (2001) · In Making Dictionaries: Preserving indigenous Languages of the Americas edited by Frawley, Hill & Munro · University of California Press
The World Atlas of Language Structures . (2005) · edited by Bernard Comrie and David Gil and Martin Haspelmath and Matthew S. Dryer · Oxford University Press
Dhivehi (Maldivian) . Bruce D. Cain and James W. Gair (2000) · Languages of the World/Materials · Vol. 63 · München: Lincom
Miskito und Sumo ( pp. 544-578 ) . Karl Bouda (1962) · Orbis. 11
Ethnographical Survey of the Miskito and Sumu Indians of Honduras and Nicaragua . Eduard Conzemius (1932) · Bureau of American Ethnology Bulletin · Vol. 106 · Smithsonian Institution, Washington:
Notes on the Miskito and Sumu Languages of Eastern Nicaragua and Honduras ( pp. 57-115 ) . E. Conzemius (1929) · International Journal of American Linguistics. 5 (5) ·
A Lexicographic Study of Ulwa . T. M. Green (1999) ·
The Caribbean Lowland Tribes: The Mosquito, Sumo, Paya, and Jicaque ( pp. 219-230 ) . Paul Kirchhoff (1948) · In The Circum-Caribbean Tribes Handbook of South American Indians · Vol. 4 · edited by Julian H. Steward · Smithsonian Institution, Washington: Bureau of American Ethnology
La Estructura de la Lengua Sumu ( pp. 85-92 ) . S. Norwood (1987) · Boletín de Antropología Americana. 15
Diccionario Español-Sumo, Sumo-Español . Houwald, Götz von (1980) · Ministerio de Educación