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) ·

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

Biri: A Salvage Study of a Queensland Language . Angela Terrill (1993) ·

Biri . Angela Terrill (1998) · Languages of the World/Materials · München: Lincom

Handbook of Western Australian Aboriginal Languages South of the Kimberley Region . Nicholas Thieberger (1996) · Pacific Linguistics, Australian National University http://coombs.anu.edu.au/WWWVLPages/AborigPages/LANG/WA/contents.htm

Birri-Gubba Wadja Bimbi Aboriginal Corporation . Our Languages http://www.ourlanguages.net.au/contacts-directory/item/birri-gubba-wadja-bimbi-aboriginal-corporation.html

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

Les Langues de l'Atakora III: Le Biex͡tepsilonri ( pp. 444-508 ) . A. Prost (1973) · Bulletin de l'Institut Français d'Afrique Noire: Série B, Sciences Humaines. XXXV (2) ·