Bibliography on speech, hearing, and language in relation to mental retardation, 1900-1968.
| Autor principal: | |
|---|---|
| Autor corporatiu: | |
| Format: | Llibre | 
| Idioma: | English | 
| Publicat: | [Washington, D. C.
          Maternal and Child Health Service
    
        1969]. | 
| Col·lecció: | Public Health Service. PHS publication, no.2022 | 
| Matèries: |