A summary of the Oregon state survey of mental defect, delinquency and dependency : conducted in 1920 by the University of Oregon under the direction of the United States Public Health Service at the request of the Legislature of the State of Oregon ; condensed and edited by Earl Kilpatrick Oregon state survey of mental defect, delinquency and dependency University of Oregon extension monitor University of Oregon. Extension Division, author. Mental Disorders -- epidemiology Intellectual Disability -- epidemiology Juvenile Delinquency Persons with Intellectual Disabilities Social Problems Eugene, Oregon : University of Oregon, 1921 Kilpatrick, Earl, 1899-1927, editor. United States. Public Health Service. Statistics Text 38 pages nlm:nlmuid-0142114-bk 0142114 http://resource.nlm.nih.gov/0142114 OCLC: 14558181 English Oregon -- epidemiology The National Library of Medicine believes this item to be in the public domain. https://creativecommons.org/publicdomain/mark/1.0