Rao

 [también conocido como Annaberg, Rao Breri]

Clasificación: Lower Sepik-Ramu

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con amenaza de extinción

  • 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) ·

  • 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

  • Ethnologue: Languages of the World, 18th Edition . (2015) · edited by Lewis, M. Paul, Gary F. Simons, and Charles D. Fennig · SIL International http://www.ethnologue.com

  • Sepik languages: checklist and preliminary classification . Laycock, Donald C. (1973) · Pacific Linguistics · edited by Wurm, Stephen A. · Australian National University, Research School of Pacific Studies, Department of Linguistics

  • The language of the Rao people, Grengabu, Madang Province, Papua New Guinea ( pp. vii+28 ) . Stanhope, John M. (1980) · Pacific Linguistics: Series D · Vol. 18 · Canberra: Research School of Pacific and Asian Studies, Australian National University