Arthritis Australia - provides information and support services in your local area
CHOICES for Families of Children with Arthritis - a great website from the UK providing information for parents and a linked website for children
American College of Rheumatology - provides information about JIA (although it's called JRA in America)
Arthritis and Musculoskeletal Quality Improvement Program (AMQuIP)
Childhood Arthritis & Rheumatology Research Alliance (USA)
EULAR (European League Against Rheumatism)
PRINTO - the website of the Paediatric Rheumatology European Society
UK Rheumatology Support and Advocacy Groups