California Healthcare Interpreting Association
http://www.chia.ws

Massachusetts Medical Interpreters Association
http://www.mmia.org

Registry of Interpreters for the Deaf
http://www.rid.org/

Wisconsin Bureau for the Deaf and Hard of Hearing
http://dhfs.wisconsin.gov/dsl_info/InfoMemos/DSL/CY_2001/InfoMem2001-04_Attachment_1.htm

Mano a Mano: Hispanic-Deaf and Trilingual Interpreting
http://www.manoamano-unidos.org/

2000 Census data on limited English proficient populations http://www.doleta.gov/reports/CensusData/

Article from Milwaukee Journal-Sentinel on growth of Hispanic population in Wisconsin; August 10, 2005 http://www.jsonline.com/news/state/aug05/347644.asp