http://www.calpd.info/
A great resource about living with PD in California. They also have information on medical care and therapy and support groups in California.
www.ppsg.org
A great resource about living with PD in the bay area. They also have information on exercise classes and support groups in the bay area.
www.parkinson.org
They have many free publications about Parkinson's disease available here.
www.apdaparkinson.org
They have many free publications about Parkinson's disease available here.
www.myparkinsonsteam.com
Social network and online support group for people with Parkinson's and their care partners.
www.pdf.org
They also have free online seminars about Parkinson's disease available here.
www.parkinsonsacramento.org
They have videos of lectures on Parkinson's disease available here.