Facts from figures /
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Harmondsworth, Middlesex :
Penguin Books,
1951 [reprinted 1965].
|
| Cyfres: | Pelican books,
A236 |
| Pynciau: | |
| Classic Catalogue: | View this record in Classic Catalogue |
| Disgrifiad Corfforoll: | 472 pages : diagrs ; 18 cm. |
|---|---|
| Llyfryddiaeth: | Includes bibliographical references (pages [464]-467) and index. |