Teaching aids and toys for handicapped children.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | [Washington
          Council for Exceptional Children
    
        c1960]. | 
| Gaiak: | 
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | [Washington
          Council for Exceptional Children
    
        c1960]. | 
| Gaiak: |