[Dual Diagnosis Website] - US site. Provide resources for substance abuse and co-occurring mental disorders, such as the dual diagnosis cross-training manual, dual diagnosis treatment reports, links, newsletter etc. Add your name to the "Colleagues List" of other professionals interested in this area.

[Sciaccer Comprehensive Service Developments for Mental Illness, Drug Addiction and Alcoholism (MIDAA)] - US site. Kathleen Sciacca's dual diagnosis website is designed to provide information and resources for service providers, service users and family members who are seeking assistance and/or education in this field. Includes plenty of education and training materials, bulletin board and chat room.