The 1950s and 1960s: The Medical Model Prevails. A New Perspective Develops.
The 1970s: Developmental Disabilities. Millions Cured by Redefinition. A Functional Definition. People First.
The 1980s: A Growing Emphasis on Capacity. Understanding the Impact of the Environment.
The 1990s and the New Century: The Legislation Broadens.
Poster Archive: An archive of posters from 1968 through 1981