- Canadian Mental Health Association: Includes information about the mental health organizations. Also see Simcoe Branch.
- Centre for Addiction and Mental Health (CAMH): Includes health sciences best practice, publications, resources on mental health & dual diagnosis.
- Children’s Mental Health Ontario
- Community Networks of Specialized Care
- eMedicine
- Human Services and Justice Coordinating Committee
- NADD Ontario: Dual Diagnosis text online, resources, education, best practices, newsletter.
- National Library of Medicine Medline Plus: Includes medical dictionary.
- Provincial Outreach Program for Fetal Alcohol Spectrum Disorder
- Simcoe County Mental Health & Addiction
- World Health Organization