Mental Retardation: The Known and The Unknown
setName: label: See more items in
content: Disability Reference Collection
label: See more items in
content: Disability Reference Collection / Series 13: Printed Material
unitdate: label: Date
content: 1975 - 1975
container: label: Container
content: Box 55, Folder 4
dataSource: label: Archival Repository
content: Archives Center, National Museum of American History
objectType: label: Type
content: Archival materials