This page will be more thoroughly completed over the next few weeks.

• OsteoArthritis
• Rheumatoid Arthritis
• Psoriatic Arthritis
• Ankylosing spondylitis
• Systemic Lupus Erythematosus
• Dermatomyositis
• Polymyositis
• Vasculitis
• Sjogrens
• Scleroderma
• Mixed Connective Tissue Disease 

American College of Rheumatology
Overall a great resource for patients and physicians. 

Arthritis Foundation
One of the largest support groups for patients with arthritis.

Lupus Foundation of America
Lupus focused group.  Patients will definitely want to check out the community section.

Spondylitis.org 
ACR fact sheet on Ankylosing Spondylitis 
There are not too many Ankylosing Spondylitis specific sites, but the above two links are worthwhile reads. 

Vasculitis Foundation
Vasculitis is a difficult disease.  This is a link to a foundation that tries to help patients better understand their disease.