American College of Rheumatology
   Professional organization of rheumatologists and associated health professionals who cure disorders of the joints, muscles and bones.
   http://www.rheumatology.org/

Arthritis Foundation
   Not-for-profit organization that supports different types of arthritis and related conditions with advocacy, programs, services and research.
   http://www.arthritis.org/default.asp

Australian Rheumatology Association
   A professional organization of consulting physicians specializing in the assessment and management of musculoskeletal and inflammatory disorders.
   http://www.rheumatology.org.au/

British Society of Rheumatology
   Information for clinicians and patients.
   http://www.rheumatology.org.uk/

EULAR - European League Against Rheumatism
   Aims to promote, stimulate and support the research, prevention, treatment and rehabilitation of rheumatic diseases.
   http://www.eular.org/

International League of Associations for Rheumatology
   Information about this worldwide organisation and its activities.
   http://www.ilar.org/

International Society of Musculoskeletal & Neuronal Interactions
   Non-profit scientific society whose mission is to enhance the knowledge of the interactions between tissues and organs coordinating in the function of the musculoskeletal system.
   http://www.ismni.org

Malaysian Society of Rheumatology
   Professional organization of rheumatologists who treat disorders of the joints, muscles and bones. Also provide basic online education on rheumatology. This site is an effort to increase the awareness of Malaysians in these disorders.
   http://www.msr.org.my/html/index.htm

New Zealand Rheumatology Association
   Facilitates communication between members of the NZRA, and improve public understanding of arthritis.
   http://www.rheumatology.org.nz/

Society of Irish and American Rheumatologists
   Facilitates coordination and cooperation of Irish and American rheumatologists.
   http://www.siarnet.org/

The Society of Physician Assistants in Rheumatology
   Official organization for physician assistants (PAs) practicing in rheumatology.
   http://www.sparheum.org