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/

A Descriptive Analysis of Adamorobe Sign Language (Ghana) . Victoria Anna Sophie Nyst (2007) · LOT http://dare.uva.nl/document/93469

Personal Communication on sign languages . James Woodward (2012) ·

Being a deaf white anthropologist in Adamorobe: some ethical and methodological issues . Annelies Kusters (2012) · In Sign Languages in Village Communities edited by Ulrike Zeshan and Connie de Vos · de Gruyter