Best Buddies International, Inc. - Enhances the lives of people with intellectual and developmental disabilities (IDD) by providing opportunities for socialization and employment. Site describes programs and gives contact information. Jablonski's Multiple Congenital Anomaly/Mental Retardation Syndromes - Database of structured descriptions of congenital abnormalities associated with mental retardation. International Order of Alhambra - A fraternal order of Catholic men dedicated to assisting persons developmentally disabled by mental retardation. Arc of Chester County - Empowering individuals with mental retardation and other developmental disabilities and their families. Help Foundation - Serves children and adults with mental retardation and developmental disabilities in northeast Ohio - care, education, and housing. Down Home Ranch - Working farm and ranch for those with mental handicaps. American Association on Intellectual and Developmental Disabilities (AAIDD) - An international association that promotes progressive policies, sound research, effective practices, and universal human rights for people with intellectual disabilities. Should We Execute Killers With The Mind Of A Child? - Discusses the practice of executing people with mental retardation in the United States. National Association of QDDPs (NAQ) - Resource for research, networking, and addressing issues that concern Qualified Mental Retardation Professionals (also known as Case Managers). MedlinePlus: Intellectual Disability - Summary and links to information on causes.