Order of birth, parent-age, and intelligence / by L.L. Thurstone and Richard L. Jenkins.

  • Thurstone, L. L. (Louis Leon), 1887-1955.
Date:
[1931]

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Order of birth, parent-age, and intelligence / by L.L. Thurstone and Richard L. Jenkins. Source: Wellcome Collection.

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