Problems of population being the report of the proceedings of the second general assembly of the International Union for the Scientific Investigation of Population problems held at Royal Society of Arts, London, June 15-18, 1931
Wedi'i Gadw mewn:
| Fformat: | Llyfr |
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| Cyhoeddwyd: |
Port Washington,
Kennikat Press
1932
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| Tagiau: |
Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
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UL
| Rhif Galw: |
301.32 P688p |
|---|---|
| Copi | On Shelf |