The causes of declining birth-rate /
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| Main Author: | |
|---|---|
| Other Authors: | |
| Format: | Book |
| Language: | English German |
| Published: |
Cold Spring Harbor, N.Y. :
Eugenics Research Association,
©1931.
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| Series: | Eugenics Research Association. Monograph series ;
no. 5 |
| Subjects: |