National Association of the Deaf
http://www.nad.org/

ASL as a Foreign Language
http://web.mac.com/swilcox/UNM/facts.html

American Sign Language (ASL) as a Foreign/World Language: Summary of State Responses
http://www.ncssfl.org/reports/index.php?american_sign_language

Gallaudet University Press
http://gupress.gallaudet.edu/