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) ·

The emergence of grammar: Systematic structure in a new language ( pp. 2661-2665 ) . Wendy Sandler and Irit Meir and Carol Padden and Mark Aronoff (2005) · Proceedings of the National Academy of Sciences. 102 (7) · http://sandlersignlab.haifa.ac.il/pdf/PNAS.pdf

Demarcating generations of signers in the dynamic sociolinguistic landscape of a shared sign-language: the case of the Al-Sayyid Bedouin . Shifra Kisch (2012) · In Sign Languages in Village Communities edited by Ulrike Zeshan and Connie de Vos · de Gruyter

Ethnologue: Languages of the World, 17th Edition (2013) . (2013) · edited by Paul M. Lewis; Gary F. Simons; and Charles D. Fennig · Dallas, Texas: SIL International http://www.ethnologue.com Ethnologue: Languages of the World, 17th Edition (2013)