Intelligence and fertility : the effect of the differential birthrate on inborn mental characteristics / by Sir Cyril Burt.

  • Burt, Cyril, 1883-1971.
Date:
1952

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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