This page includes links to various Rheumatology relevant sources.

What exactly is a Rheumatologist?

Disease specific links.

OsteoArthritis
Rheumatoid Arthritis
Psoriatic Arthritis
Ankylosing spondylitis
Systemic Lupus Erythematosus

Myositis

Vasculitis

Sjogrens

Scleroderma

Gout

Rheumatology organizations that are beneficial to patients.

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
There are not too many Ankylosing Spondylitis specific sites, but the above link is a worthwhile read. 

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