Bibliography

Bibliography of Vitality:
James Woodward. 2012. "Personal Communication on sign languages."
Bibliography of Locations:
"Glottolog." Online: http://www.glottolog.org/glottolog/.
Bibliography of Context:
Parks, Elizabeth., Epley, Christina., et al (2011). A Sociolinguistic Profile of the Jamaican Deaf Community. SIL International. SIL Electronic Survey