Parkinson's Disease Foundation (PDF),

The Michael J. Fox Foundation for Parkinson's Research,

National Parkinson Foundation (NPF),

American Parkinson Disease Association (APDA),

Parkinson's Resource Organization ,

Lewy Body Dementia Association,

Information on Deep Brain Stimulation at University of Kentucky Health Care:

Kentucky Parkinson’s Disease Information and Referral Center at UK :

CurePSP (Information on Progressive Supranuclear Palsy (PSP), Corticobasal Degeneration (CBD),  and Multiple System Atrophy (MSA),