Froebel's educational laws for all teachers
| Autor Principal: | |
|---|---|
| Formato: | Libro | 
| Idioma: | English | 
| Publicado: | New York
          D. Appleton and company
    
        1897. | 
| Series: | Half-title: International education series, ed. by W. T. Harris... vol. XLI | 
| Subjects: |