Mental defect, mal-nutrition, and the teacher's appreciation of intelligence : a reply to criticisms of the memoir on 'The influence of defective physique and unfavourable home environment on the intelligence of school children,' / by David Heron.

  • Heron, David
Date:
1911

Licence: Public Domain Mark

Credit: Mental defect, mal-nutrition, and the teacher's appreciation of intelligence : a reply to criticisms of the memoir on 'The influence of defective physique and unfavourable home environment on the intelligence of school children,' / by David Heron. Source: Wellcome Collection.

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