Illustrations and proofs of the principle of population /
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London :
George Allen & Unwin Ltd.,
1930.
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| Subjects: |
| Item Description: | Reimpresiones: 1967 |
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| Physical Description: | 354 páginas : 1 ilustración en blanco y negro. |