Understanding the sentence /
Wedi'i Gadw mewn:
| OCLC: | 15128449 |
|---|---|
| Prif Awdur: | |
| Iaith: | English |
| Cyhoeddwyd: |
Yonkers-on-Hudson :
World Book Co.,
[c1954]
|
| Pynciau: | |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Disgrifiad o'r Eitem: | Cover title. Includes indexes. |
|---|---|
| Disgrifiad Corfforoll: | 2 v. : ill., diagrams ; 28 cm. |
| Cynulleidfa: | Junior high school. |