School training of defective children /
Wedi'i Gadw mewn:
| OCLC: | 9604618 |
|---|---|
| Prif Awdur: | |
| Iaith: | English |
| Cyhoeddwyd: |
Yonkers-on-Hudson, N.Y. :
World Book Co.,
1915, c1914.
|
| Cyfres: | School efficiency series.
|
| Pynciau: | |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Disgrifiad o'r Eitem: | Includes index. |
|---|---|
| Disgrifiad Corfforoll: | xxii, 97 p., [3] leaves of plates : ill. ; 21 cm. |