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| Format: | Book |
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| Language: | English |
| Subjects: | |
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| era | |
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| format | Book |
| genre | |
| geographic | |
| id | 10c82292-e320-4032-91cf-1a8edcc2ede9 |
| isbn | |
| issn | |
| language | eng |
| physical | ix, 115 pages :illustrations, diagrams, portraits ;20 x 26 cm $2.45. |
| publication | – publisher: Presidents Committee on Mental Retardation dateOfPublication: 1975 |
| publishDate | 1975 |
| subjects | |
| title | Mental retardation : the known and the unknown : information as of February 1, 1975. |
| topic | Intellectual disability. |