Below are some references for the area of Speech and Language:

American Speech-Language Hearing Association
10801 Rockville Pike
Rockville, MD  20851
(800) 498-2071 / (800) 638-8255
www.asha.org

National Center for Voice and Speech
The Denver Center for Performing Arts
1245 Champa Street
Denver, CO  80204
www.ncvs.org