- American Association on Intellectual and Developmental Disabilities (AAIDD): Resource added on 23/2/2012 to Professional Associations
- Canadian Association for Community Living
- Developmental Services Ontario (DSO): Your access point for adult develpmental services.
- Information on Registered Disability Savings Plan
- International Association for the Sceintific Study of Intellectual Disabilities
- Ontario Association on Developmental Disabilities (OADD)
- Surrey Place Ontario
- World Health Organization
- World Institute on Disability: WID (World Institute on Disability) is a nonprofit, international public-policy center dedicated to carrying out cutting edge research on disability issues and overcoming obstacles to independent living.