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## Children with Disabilities, 8th Edition Excerpt

Read this excerpt from Children with Disabilities, 8th Edition for the preface and Chapter 1: The Genetics Underlying Developmental Disabilities.

## A century of change: Milestones in the history of intellectual disability, 1900–2013

Learn about historic milestones related to the treatment of people with intellectual disabilities with this illustrated timeline, which spans more than 100 years.