National Aphasia Association
http://www.aphasia.org/
National Stroke Association
http://www.stroke.org/
Aphasia Hope Foundation
http://www.aphasiahope.org
ASHA - American Speech-Language-Hearing Association
http://www.asha.org/
American Heart Association
http://www.americanheart.org/
Talking About Aphasia
http://www.openup.co.uk/aphasia/
Aphasia - International MS Support Foundation
http://www.imssf.org/aphasia.shtml
Landau-Kleffner Syndrome
NINDS - National Institute of Neurological Disorders and Stroke
http://www.ninds.nih.gov
National Institute on Deafness and Other Communication Disorders (NIDCD)
http://www.nidcd.nih.gov/
The Whole Brain Atlas
http://www.med.harvard.edu/AANLIB/home.html