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

Australasia and the Pacific ( pp. 97-126 ch. 4 ) . Darrell Tryon (2007) · In Atlas of the World's Languages edited by R. E. Asher and Christopher Moseley · Routledge

How many languages were spoken in Australia? . Claire Bowern (2011) · http://anggarrgoon.files.wordpress.com/2011/12/austlangs-masterlanguagelist-dec2011.xlsx

LL-MAP (Language and Location: A Map Accessibility Project) . Anthony Aristar and Helen Aristar-Dry and Yichun Xie (2012) · http://llmap.org

The Ari-Banna group and its classification ( pp. 1133-1134 ) . Harold Fleming and Herbert Lewis (1963) · American Anthropologist. 65

The Ari of southwestern Ethiopia: an exploratory study of production practices . Gebre Yintiso (1995) · Dept. of Sociology, Anthropology and Social Administration, Addis Ababa University

A Sketch Grammar of Urningangk, Erre and Mengerrdji: the Giimbiyu languages of Western Arnhem Land . Lauren Campbell (2006) ·