Spondylitis Association of America (SAA), a national non-profit volunteer organization, is dedicated to the eradication of ankylosing spondylitis and related diseases through education, advocacy, awareness and research.

Reiter's Information & Support Group.

The Road Back Foundation promotes education about the treatment of rheumatic and some connective tissue diseases with low doses of antibiotics; serves as a patient and physician clearinghouse for the exchange and dissemination of information on research and the advances in treatment using such therapy; supports such research; and advocates for objectives stated above.

Reiter's Syndome by Collette Osuna.