Intelligence and fertility : the effect of the differential birthrate on inborn mental characteristics / by Sir Cyril Burt.
- Burt, Cyril, 1883-1971.
- Date:
- 1946
Licence: Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)
Credit: Intelligence and fertility : the effect of the differential birthrate on inborn mental characteristics / by Sir Cyril Burt. Source: Wellcome Collection.
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