Early education of the mentally retarded ; an experimental study. In cooperation with Merle B. Karnes, Ray Graham [and] William Sloan.
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| Format: | Book |
| Language: | English |
| Published: |
[Urbana? Ill., 1958]
[publisher not identified] ;
[date of publication not identified]
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| Subjects: |
| Physical Description: | 216 pages |
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