- Arthritis Foundation
- American College of Rheumatology
- Joel Rutstein, MD – Arthritis information website with lots of free information
- Johns Hopkins Arthritis Center – Information on the diagnosis, treatment and management of Arthritis from the Johns Hopkins Arthritis Center.
- Rheum Info – This site provides free, honest, accurate, and reliable arthritis information. All of the material on the website is written and produced by rheumatologists.
Juvenile Rheumatoid Arthritis
- National Osteoporosis Foundation
- National Institutes of Health Osteoporosis and Related Bone Diseases