• American College of Rheumatology Professional organization of rheumatologists and associated health professionals who cure disorders of the joints, muscles and bones.

• Australian Rheumatology Association A professional organization of consulting physicians specializing in the assessment and management of musculoskeletal and inflammatory disorders.

• British Society of Rheumatology Information for clinicians and patients.

• EULAR - European League Against Rheumatism Aims to promote, stimulate and support the research, prevention, treatment and rehabilitation of rheumatic diseases. The EULAR web site provides up to date information in the field of rheumatology to Allied Health Professionals, Social Leagues and Patient Organisations.

• International League of Associations for Rheumatology Information about this worldwide organisation and its activities.

• 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.

• New Zealand Rheumatology Association Facilitates communication between members of the NZRA, and improve public understanding of arthritis.

• The Primary Care Rheumatology Society (PCR) Improving care for patients with rheumatic disease in the UK.

• Welcome to the Society of Irish and American Rheumatologists The Society of Irish and American Rheumatologists (SIAR) was founded to foster the spirit of friendship and collegiality which has long existed between Irish and American rheumatologists.