Problems in eugenics [1.] Papers communicated to the 1st International Eugenics Concress held at the University of London, July 24th to 30th, 1912
| Fformat: | Llyfr |
|---|---|
| Iaith: | German |
| Cyhoeddwyd: |
Adelphi :
The Eugenics Education Society,
1912
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| Cyfres: | Problems in eugenics
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| Rhif Galw: | IV P 1 |
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