Bibliography on speech, hearing, and language in relation to mental retardation, 1900-1968.
| 第一著者: | |
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| 団体著者: | |
| フォーマット: | 図書 | 
| 言語: | English | 
| 出版事項: | [Washington, D. C.
          Maternal and Child Health Service
    
        1969]. | 
| シリーズ: | Public Health Service. PHS publication, no.2022 | 
| 主題: |